scy3 julai q
TRANSCRIPT
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UNIT 1 ANIMALS
1. A tiger¶s body is covered with __________.
A scales
B feather
C fur
2. A snail¶s body is covered with ____________.
A hard shell
B scales
C hair
3. An elephant has a pair of tusks and a ___________.
A horn
B trunk
C claw
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4. A snail has a hard shell and no ___________.
A legs
B mouth
C body
5. A fish has ______________.
A fins and scales
B fins and feathers
C wings and scales
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6. The above animals are animals with ____________.
A four legs
B wings
C scales
UNIT 1 ANIMALS
A. Label the parts of a chicken.
wing claw beak feathers tail
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B. Label the parts of an elephant.
C. List the external features of the animals shown below. Eachanswer can be used more than once.
tail horns feathers fur clawsscales legs hair beak
1. 2.
tail hair tusk trunk leg
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D. Tick ( ) the correct external features of these animals. Write thenumber of legs for each animal.
NameOf Animal
External features of animal
b e a k
h o r n s
t a i l
c l a w s
l e g s
f i n s
t u s k s
w i n g s
t r u n k
f u r
h a i r
s c a l e s
f e a t h e r s
s h e l l
3.
________________________________
_________________________________
_________________________________
_________________________________
4
.
__________________________________
__________________________________
__________________________________
__________________________________
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Ant
Bear
Cock
Cow
Dog
Elephant
Fish
Snail
E. Circle the correct answers.
1. A bear and a lion have .
2. A fish and a crocodile have
3. An eagle and a hen have
claws horns
scalesfeathers
tusks beaks
finswings
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owl
4. A butterfly and a bee have
5. A tortoise and a turtle have
F. Look at the picture shown below. Group the animals.
shellstrunks
Body covered with fur
_____________________________
_____________________________
_____________________________
Body covered with hair
_____________________________
_____________________________
_____________________________
Body covered with scales
________________________________
________________________________
________________________________
Body covered with feathers
________________________________
________________________________
________________________________
squirrel
hen
cat
cow
fish
snake
goose
deer
goat
tiger
crocodile
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G. Group all the animals shown below.
Animals with claws and fur
1. ___________________________________
2. ___________________________________
3. ___________________________________
Animals with claws and feathers
1. ______________________________________
2. ______________________________________
3. ______________________________________
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UNIT 2 PLANTS
1.
X
What is the external feature labelled X?A flower B fruit
C leaf
2.
Y
The external feature labelled Y on the above rose plant is _________.A a flower B a rootC a thorn
3.
The bird¶nest fern shown above has ________ leaves .A longB short
C oval
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4.
The hibiscus plant shown above has _________ shaped leaves.A longB ovalC irregular
5.
The staghorn fern shown above has green and _______ shaped
leaves.A long
B ovalC irregularly
6.
The banana plant shown above has a _______ stem.
A woodyB softC hard
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7.
The above balsam plant has a ___________ stemA woodyB softC hard
8.
The rambutan tree shown above has a __________ stemA woodyB softC thorny
9.
The fern shown above has no __________ .A flowersB leavesC roots
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10.
The plant shown above has green leaves, woody stem and red ___________.A rootsB flowersC thorns
11.
The coconut tree shown above has long leaves and _______ stem.A woodyB softC hard
12. Which plant has thorns?
A B C
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13. Which plant has no thorn?
A
B
C
14
. Which plant is a flowering plant?
A B
C
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15. Which plant has a thorny stem?
A
B
C
16. Which of the following plants has leaves with smooth and shinysurfaces?
A B
C
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17. Which of the following plants has leaves with rough surfaces?
A B
C
18. Which is a non-flowering plant?
A B
C
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19.
The above plants above can be grouped as plants with _______
leaves.A longB ovalC irregular
20.
The plants shown above have _______ stems.A short
B thornyC woody
21.
A fern is different from a rose plant because a fern has no __________.A stemB rootsC flowers
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22.
Both rambutan and durian trees have _________ stems.A hardB woody
C soft
23.
A staghorn fern has irregular leaves but a bird¶s nest fern has __________ leaves.A shortB longC oval
24. Both staghorn ferns and bird¶s nest ferns have _________ stems.
A no
B woodyC soft
25. Rose, hibiscus and balsam plants have _________ flowers.A greenB yellowC red
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26. Which is an example of a non-flowering plant?A fernB rambutan treeC mangosteen tree
27.
The plants shown above have _________ leav es.
A irregular B roughC long
28. A sugar cane plant has long leaves but a mango tree has _________ leaves.
A ovalB long
C irregular
29. Both maize and banana tree have _______ stems.A softB hardC woody
30.
The plants shown above are ____________ plants.
A floweringB woodyC non-flowering
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UNIT 2 PLANTS
A. Fill in the blanks with the following words.
1. A staghorn fern is a
_______________ plant.
2. It has _____________
leaves.
3. A bougainvillea tree is a _____________ plant.
4. It has a __________ stem .
5. It also has ___________.
6. A banana tree has ________.
7. It has a ________ stem.
8. It has long, green ________.
9. A water lily plant has _______ leaves.
10. It also has ____________.
thorns
flowers
big leaves woody
fruits
non-flowering
soft green flowering
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B. Underline the correct answer.
1. A fern is a (flowering / non-flowering) plant.
2. A cactus has a (soft / woody) stem.
3. A tapioca plant has (oval shaped / irregular) leaves.
4. A sugar cane plant has leaves with (rough / smooth)
surfaces.
5. A (hibiscus / rose) plant has thorns.
C. Look at the plants below. State whether the followingstatements are µTrue¶ or µFalse¶.
1. Both of them are flowering plants.
2. Both of them have thorns on their stems.
3. Both of them have woody stems.
4. Both of them have oval shaped leaves.
5. Both of them have leaves with rough surfaces.
D. Study the table and answer the following questions.
Papaya treeBanana tree
Orchid plant
Balsam plant
Rose plantHibiscus plantMango tree
Bougainvillea tree
X Y
PLANTS
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Dull leaves _________________________
_________________________
__________________________
F. Group the plants shown below according to the type of leaf surface.
A B C
D E F
Shiny leaves __________________________
__________________________
__________________________
Smooth leaves
________________________
_________________________
_________________________
Rough leaves
_________________________
_________________________
_________________________
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UNIT 3 MAGNET
1.
The above magnet is a __________ magnet.
A bar
B circular
C U-shaped
2. x
X is the _______ pole of the above magnet.
A north
B south
C east
3. Which magnets attract each other?
A
B
C
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4. Which magnets repel each other?
A
B
C
5.
The above magnets will ________ each other.
A attract
B reject
C repel
6.
The above magnets ________ each other.
A attract
B repel
C reject
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7. Which is the correct way to store magnets?
A B
C
8. Which is the wrong way to handle magnets?
A B
C
9. Which magnet can lose its magnetism?
A B
C
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10. A magnet may lose its magnetism if we ________ it.
A rub
B burn
C carry
11. Do not _______ a magnet. It may lose its magnetism.
A shake
B hold
C knock
12. A magnet may get _______ if we heat it.
A stronger
B weaker
C smaller
13. Which thing can be attracted by a magnet?
A iron nail
B glass
C plastic spoon
14. Which thing cannot be attracted by a magnet?
A wooden spoon
B iron nail
C steel spoon
15. Things that are attracted by magnets are made of _________
materials.
A magnetic
B plastic
C wood
16. ____________ materials are not attracted by a magnet.
A Steel
B Non-magneticC Magnetic
17. Which is a magnetic material?
A wood
B glass
C steel
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18. Which is made of non-magnetic material?
A eraser
B steel spoon
C iron nail
19. Which is the strongest magnet?
A
B
C
20. Which is the weakest magnet?
A
B
C
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21. Which is the weakest magnet?
A
B
C
22. Which is the strongest magnet?
A
B
C
23.
The above magnets will __________ each other.
A attract
B reject
C repel
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24. Which object can be attracted by a magnet?
A paper clip
B plastic ruler
C pencil
25. Which object uses a magnet?
A coin
B sharpener
C dynamo
26.
X
X helps to lock the pencil case. X contains a ___________ .
A glue
B screw
C magnet
27. Same poles of magnets _________ each other.
A attract
B reject
C repel
28. Different poles of magnets _________ each other.
A attract
B reject
C repel
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UNIT 3 MAGNETS
Write the correct name of each magnet shown below.
1. 2.
______________________ ________________________
3. 4.
_______________________ _________________________
5. 6.
_______________________ _________________________
ring magnet bar magnet cylindrical magnet
horseshoe magnet circular magnet U-shaped magnet
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Write ³attract´ or ³repel´ in the blanks.
(b)
_______________ ______________
(c) (d)
_________________ _________________
Which are the correct ways to handle magnets?
Tick (¥) for correct ways and cross () for the wrong ways.
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Circle the magnetic objects.
steel spoon wooden ruler stapler
book one cent coin plastic bottle
Look at the pictures below. Fill in the blanks with the correct answers.
1. Magnet ______ attracts more paper clips than magnet______.
2. Magnet ______ is stronger than magnet _______.
3. The strength of a magnet does not depend on its _______.
4. The strength of a magnet depends on the _______ of objects it
can attract.
A
B
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Colour the objects that use magnets.
battery che
compass stapler
umbrella fishing toy
refrigerator cup
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Complete the crossword puzzle
Across
1 A ________object is attracted by a magnet.
3 A magnet has a north pole and a ________ pole.
6 ___________ poles repel each other.
7 A _________ magnet can attract more objects than a weaker
magnet.
Down
2 Every magnet has ________ poles
4 Different poles _________each other.
5 A __________ uses a magnet.
8 The strength of a magnet does not depend on its size and
__________.
7
5
3
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UNIT 4 ELECTRICITY
1. Which torch shines the brightest?
A
B
C
2. Which bulb shines the brightest?
A B
C
3. In which circuit will the bulb be dimmest?
A B
C
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4. In which circuit will the bulb be dimmest?
A
B
C
5. Which circuit will give the brightest light?
A B
C
6. In which circuit will be the bulb be brightest?
A B
C
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10.
If more bulbs are use in the above circuit, each bulb will light up
___________ .
A dimmer
B more
C brighter
11. Which material allows electricity to flow through?
A
B
C
12. Which material can conduct electricity?
A B
C
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13. Materials that allow electricity to pass through are called _________.
A non-conductors
B conductors
C switches
14. Which object does not conduct electricity?A B
C
15. Materials that conduct electricity are made of _________ .
A plastic
B metal
C wood
16.
When a pencil is connected to the above circuit, the bulb does not
light up. The pencil is a __________ of electricity.
A conductor
B connector
C non-conductor
17. Which material conducts electricity?
A copper
B wood
C glass
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18. Which object conducts electricity?
A
B
C
19. Which is a non-conductor of electricity?A
B
C
20. Electricity cannot pass through __________ .
A iron rods
B glass rod
C steel spoon
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21.
The circuit is complete when the switch is turn ______.
A on
B out
C off
22.
The circuit will break when the switch is _______.
A on
B out
C off
23.
X
The bulb shown above lights up. What is X?
A paper clip
B plastic ruler
C straw
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24.
Which object can be used to connect X and Y in the above circuit, to
make the bulb light up?
A B
C
25.
X is a __________ .
A circuit
B switch
C conductor
X
Y
X
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26.
The bulb in the above circuit lights up. Y is made of _________.
A metal
B plastic
C glass
27.
What is used to break a circuit?A switch
B battery
C wire
28. How can you make a bulb brighter?
A Add more bulbs
B Add more batteries
C Use longer wires
29.
How can you make a bulb dimmer?A Reduce the number of batteries
B Reduce the number of bulbs
C Reduce the length of the wires
Y
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UNIT 4 ELECTRICITY
A. Circle the circuit in which the bulb is the brightest.
B. Tick (� ) the circuit in which the bulb is the dimmest.
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C. Fill in the blanks.
1. If one battery is used in
a circuit,_____________
electricity will flow. So the
bulb will be ___________ .
2. If more ___________ are used,
more electricity will flow. The
bulb will be ___________.
3. If more ___________ are used,
all the bulbs will light up
____________ .
4. If __________ electricity flows through a __________, the bulb
will light up brighter.
5. If less electricity flows the bulb will light up ____________.
batteries bulbs less more dimmer brighter
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D. Group the objects shown below into µconductors¶ and µnon-conductors¶ of electricity.
wooden ruler gold ring screw
key eraser paper clip
plastic spoon silver spoon
sponge
newspaper
Conductors Non-conductors
1. _________________
2. _________________
3. _________________
4. _________________
5. _________________
1. _________________
2. _________________
3. _________________
4. _________________
5. _________________
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E. Fill in the blanks.
1. The switch is ________.
2. Electricity will flow through the circuit so the bulb will
________.
3. The circuit is ________.
4. The switch is _________.
5. The bulb does not light up because ________ cannot flow
through the circuit.
6. The switch is _______, but the circuit is _______.
7. The bulb ________ light up.
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F. Tick (� ) the complete circuit.
wooden ruler iron spoon
iron rod straw
copper wire cloth
manila card needle
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UNIT 5 SPRINGS
1.
The spring shown above is being _______.
A twisted
B squeezed
C stretched
2.
The spring shown above is being ________.
A twisted
B squeezed
C stretched
3.
The spring shown above is being_________.A twisted
B bent
C squeezed
4.
The spring shown above is being _______.
A twisted
B bent
C squeezed
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5.
What will happen to the spring shown above when it is released?
A
B
C
6. A spring will return to its original _______ after being squeezed and
released.
A size
B smell
C sound
7. Which spring is the easiest to bend?
A
B
C
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8. A ________ spring is easier to bend and twist.
A shorter
B thicker
C longer
9. Which spring stretches the most?
A B C
10.
The spring with the ________ diameter stretches more.
A smaller
B bigger
C shorter
11. The spring which carries the heaviest load will_______ the most.
A stretch
B bend
C twist
12. The spring in a mechanical pencil is used to
____________________.
A push the lead out
B push the nib in
C make it more comfortable
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13. Which object uses spring?
A cup
B alarm clock
C umbrella
14. Which object does not use a spring?
A B
C
15. The spring in a rocking horse helps it to _________.
A bounce
B stays straight
C float
16. The _________ in a mattress make us feel comfortable when we
sleep on it.
A lace
B cloth
C springs
17. The spring in a ball-point pen is used to ______________________.
A push the lead in and out
B push the nib in and out
C push the ink in and out
18. Springs stretch differently depending on their diameters and
________.
A lengths
B shapes
C positions
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19. Springs can be bent, twisted, stretched and __________.
A bounced
B squeezed
C floated
20. A spring will return to its original _________ after being squeezed
and released.
A shape
B smell
C sound
21. Which spring has the biggest diameter?
A
B
C
22. A longer spring will stretch ________.A more
B less
C to least
23. The bigger the diameter of a spring, the _________ it stretches.
A less
B more
C least
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24. Which spring can be twisted easily?
A
B
C
25. The spring that is being stretched isA
B
C
26. Which spring is being bent?
A B
C
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27. The longer the spring, the _________ it will bend.
A harder
B easier
C tougher
28. The bigger the diameter of a spring, the ________ it will stretch.
A longer
B shorter
C broader
29. Which object uses springs?
A chair
B pencil case
C motorcycle
30. Which object does not use springs?
A key
B music box
C bicycle
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UNIT 5 SPRINGS
A. Write the correct action in the boxes.
twist stretch bend squeeze
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B. Draw the correct shapes of the springs in the empty boxes.
Original Action Released
Squeeze
Bend
Stretch
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C. Draw the correct lengths of the springs after we hang the same object
to its.
Original length Length after being stretched
D. Draw the lengths of the springs after they are stretched.
Original length Length after being stretched
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E. Fill in the blanks.
1. A _________ is a coiled piece of steel or other material.
2. It can be ________, bent, _________ and twisted.
3. It will return to its original ______ and _______ when released.
4. If two springs have the same length,
the spring with the ____________
diameter will stretch more than
the spring with the _______ diameter.
5. If the springs have the
same diameter but
different lengths, the
________ spring will
stretch more than the
____________spring.
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F. Colour the objects that use springs.
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G. Complete the cross word puzzle.
Across
1. Springs can be ________.
3. When released, a spring can return to its original _________
. 5. A spring helps to push the ______ out of a mechanical
pencil.
6. A __________ is an example of an object that uses a spring.
Down
2. Springs can be ________.
4.
Springs can stretch differently depending on their lengths and ________.
1
2
5
3
6 64
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UNIT 6 ABSORPTION
1. Which object absorbs water?
A
B
C
2. Which material absorbs water?
A plastic
B rubber
C paper
3. Which object cannot absorb water?
A B
C
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4. Which material cannot absorb water?
A
B
C
5. Which material can absorb the most water?
A
B
C
6. Which material can absorb the least water?
A cloth
B sponge
C cotton wool
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7. Materials that absorb water well are called ________ marerials.
A mop
B absorb
C absorbent
8. Which is not an absorbent material?
A B
C
9. Materials that cannot absorb water are called __________ materials.
A absorb
B absorbent
C non-absorbent
10. Which in a non-absorbent material?
A soil
B cloth
C wood
11. A mop is made of __________ material.
A absorb
B absorbent
C non-absorbent
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12. A raincoat is made of __________ material.
A absorbs
B absorbent
C non-absorbsent
13. A towel is used to _____________ .
A wipe out dirt
B wipe out clothes
C wipe water from our body
14. A mop its used to ___________.
A sweep the floor
B brush the floor
C dry the floor
15. A sponge used to ___________.
A wash dishes
B dry clothes
C wipe our face
16. A tissue paper is used to ___________.
A wipe the floor
B dry our body
C wipe our face
17. Baby diapers are made of cotton wool because the material is
__________.
A non-absorbent
B absorbent
C soft
18. Mops are made of cloth because the material _________ water well.
A dissolves
B absorbsC attracts
19. An absorbent material can be used to make ___________.
A umbrella
B table
C baby diapers
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20. Non-absorbent materials can be used to make __________.
A handkerchiefs
B clothes
C raincoats
21. Which material absorbs the most water?
A M
B NC O
22. Which is the most absorbent material?
A X
B Y
C Z
23. Which is the least absorbent material?
A 1
B 2
C 3
M N O
X Y Z
1 2 3
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24. Which material can absorb the most water?
A mop
B towel
C handkerchief
25. X cannot absorb water at all. X is a ____________ .
A tissue paper
B glass sheet
C cotton bud
26. Which material cannot absorb water?
A cotton B wood
C cloth
27. Which is the best material to make a towel?
A paper
B plastic
C cloth
28. Which is the best material to make a raincoat?
A cloth
B paper
C plastic
29. Which is the best material to make a mop?
A cloth
B glass
C plastic
30. Which material should not be used to wipe our car?
A stone
B cloth
C sponge
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UNIT 6 ABSORPTION
A. Circle the objects that can absorb water.
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B. Complete the crossword puzzle by filling in all the objects thatcan absorb water, chosen from below.
sponge stones towel
handkerchief socks paper
cloth wool pencil
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C. Colour the material that can absorb more water.
1.
sponge paper
2.
handkerchief
mop
3.
towel singlet
4.
newspaper tissue paper
5.
cotton wool handkerchief
6.
cotton t-shirt leather jacket
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D. Match the materials and their uses.
to washdishes
to dry our
bod
to dry the
floor
to wipe our
mouth
to wipe our
sweat
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E. Underline the correct answers.
1. A (sponge / pebble) can absorb water.
2. A (cloth / coin) cannot absorb water.
3. Materials that can absorb water are called (absorbent / non-
absorbent) materials.
4. A (plastic bag / tissue paper) is made of non-absorbent
material.
5. A piece of cloth is more absorbent than a piece of (paper /
sponge).
F. State µTrue¶ or False¶ for the following statements.
1. A handkerchief is less absorbent than a towel.
2. A facial tissue can be used to wipe sweat
from our face.
3. We use a sponge to dry our floor.
4. Raincoats are made of absorbent materials.
5. A non-absorbent material can be used to
make an umbrella.
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TOPIC 7 SOIL
1. Soil is made up of sand, silt, clay, ______ and bits of dead plants and
animals.
A ants
B stones
C worms
2. The above picture shows a mixture of soil and water that has been
allowed to settle. What is X?
A silt
B sand
C stones
3.
The above picture shows a mixture of soil and water that has beenallowed to settle. What is Y?
A silt
B sand
C stones
dead plants and animals
water
clay
X
dead plants and animals
water
clayY
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4. If a soil sample is allowed to settle in water, what material will float
on water?
A living animals only
B dead animals only
C dead animals and plants
5. Garden soil are usually________ in colour.
A black
B yellowish
C red or grey
6. Garden soil contains stones, sand, silt, clay and _____________ .
A dead plants only
B dead animals only C dead plants and animals
7. Garden soil is black in colour because it contains the remains
of ______________ .
A plants only
B animals only
C animals and plants
8. Sandy soil contains more stones and _______ than garden soil.A clay
B sand
C plants and animal remains
9. Which soil is made up of very small pieces of stones?
A garden soil
B sandy soil
C clay soil
10. Which soil contains the most sandy particles?A garden soil
B sandy soil
C clay soil
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11. Which soil lets water flow through very well?
A garden soil
B sandy soil
C clay soil
12. Which soil does not let water flow through easily?
A garden soil
B sandy soil
C clay soil
13. Water takes the longest time to flow through _______ soil.
A garden
B sandy
C clay
14. Water takes the shortest time to flow through ________ soil.
A clay
B sandy
C garden
15. Which soil contains the most water under normal conditions?
A clay soil
B sandy soil
C garden soil
16. Which soil contains the least water under normal conditions?
A clay soil
B sandy soil
C garden soil
17. Garden soil is good for plants because it contains enough _________.
A sand
B water
C animals and plants
18. Which soil cannot hold water?
A garden soil
B sandy soil
C clay soil
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19. Plants can grow very well in _______ soil.
A clay
B sandy
C garden
20. Which soil does not contain enough water for plants to grow in?
A garden soil
B sandy soil
C clay soil
21. Which material is not part of soil?
A dead animals and plants
B rubber
C silt
22. Which pot contains garden soil?
A B
C
23. Which pot contains sandy soil?
A B
C
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24. Which animal can be found in garden soil?
A caterpillar
B snail
C earthworm
25. Which animal cannot be found in soil?A beetle B earthworm
C ant
26. Soil X contains the most roots and rotten leaves. What is soil X?
A clay soil
B sandy soil
C garden soil
27. Which soil contains enough air and water for plant growth?A garden soil
B sandy soil
C clay soil
28. Which soil has the lightest colour?
A clay soil
B sandy soil
C garden soil
29. Which soil has the darkest colour?
A clay soil
B sandy soil
C garden soil
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C. Fill in the blanks with the correct answers.
1. Garden soil contains small stones, sand, silt and__________.
2. The colour of garden soil is __________ or brown.
3. Sandy soil contains bits of small stones and ________ stones.
4. The colour of sandy soil is __________.
D. Write the correct answers.
yellowish clay black bigger
A B C
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1. Name the soil A, B, and C.
A: __________________
B: __________________
C: __________________
2. Which soil lets water flow through it very easily?
_________________________________________
3. Which soil does not let water flow through it easily?
_________________________________________
4. Which soil is best for plants? _________________________________________
E. Match the picture . State µtrue¶ or µfalse¶ for the followingstatements.
Day 1 Day 21
seed
clay soil
seed
garden soil
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1. The seed can grow well in clay soil.
2. Garden soil is good for the plant.
3. Clay soil cannot hold enough water for the plant to grow.
4. Garden soil can hold enough water for the plant to grow.
F. Underline the correct answers.
1. The colour of clay soil is ( brown /red).
2. (Earthworms / fish) can be found in soil.
3. ( Garden / Sandy) soil lets water flow through it very well.
4. Paddy can grow well in ( garden/ clay) soil.
5. ( Sandy/ clay) soil does not contain enough water for plants to grow
in.
G. Fill in the blanks.
1. __________ is red or grey.
2. __________ soil cannot hold water for a long time.
3. Many plants can grow well in _______ soil.
4. Many plants cannot grow in clay soil because it contains toomuch _______.
5. Plants absorb water from the ________.
water sandy garden clay soil
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UNIT 8 MIXING SUBSTANCES
1. Which substance is white and coarse?
A B
C
2. Which substance appears in crystal form?
A baking powder
B wheat flour
C salt
3. Which substance is sweet?
A B
C
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4. Which substance dissolves in water?
A B
C
5. Which substance dissolves in water and gives a milky solution?
A B
C
6. Which substance does not dissolve in water and in vinegar?
A tapioca flour
B sugar
C salt
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7. Which substance dissolves and release bubbles when mixed with
vinegar?
A baking powder
B tapioca flour
C sugar
8. Which substance appears in powdery form?
A rice flour B sugar
C salt
9. Which substance gives a milky solution when mixed with water?
A rice flour
B sugar
C sand
10. Which substance is yellowish?
A salt
B wheat flour
C milk powder
11.
This symbol shows the substance is __________.
A toxic
B harmful
C corrosive
12.
What does this symbol mean?
A corrosive
B flammable
C poisonous
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13.
What does this symbol mean?
A corrosive
B poisonous
C flammable
14.
Where can you find this label?A medicine
B liquid bleach
C baking powder
15. Which symbol shows that the substance should be kept away from
fire?
A B
C
16. Which is an unsafe substance and should be handled carefully?
A flour B aerosol
C bottled drink
17. Which substance can cause harm?
A salt
B sugar
C bleach
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18. Which symbol shows that the substance is very
harmful if swallowed?
A B
C
19. Which symbol shows that the substance can cause injury to your skin?
A B
C
20. What should you do before touching a substance?
A read its label
B open the container
C shake the container well
21.
Where can you find this label?
A medicine
B gas cylinder
C bleach
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22. Which substance is harmful?
A water
B petrol
C vinegar
23.
Where can you find this label?
A gum
B aerosol
C gas cylinder
24. Which object can be used to separate fine sand from small stones?
A
B
C
25. The best way to separate a mixture of rice flour and sewing needles is by using a ________.
A sieve
B magnet
C filter funnel
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26.
This method can be used to separate a mixture of ____________.
A salt and vinegar
B fine sand and vinegar
C sugar and water
27.
This object can be used to separate a mixture of _____________.
A sand and water
B rice and sand
C rice and paper clips
28. Which mixture can be separated by using water, filter funnel and filter
paper?
A sugar and fine sand
B sugar and vinegar
C fine rice and rice
29. Which mixture cannot be separated by using a sieve?
A fine sand and paper clips
B clay powder and rice
C salt and vinegar
30. What would you use to separate fine sand from sugar?
A B
C
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UNIT 8 MIXING SUBSTANCES
A. Fill in the boxes with the correct words.
Substances PropertiesAppearance Smell Feel Colour
powdery yes fine yellowish
crystals no coarse white
powdery no fine white
powdery no fine white
crystals no coarse white
powdery yes fine white
powdery yes fine black
B. Circle the substances that can dissolve in water.
rice flour wheat flour sugar
milk powder salt
Coffee sugar milk powder salttalcum powder rice flour baking powder
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C. Circle the substances that can dissolve in vinegar.
salt sugar wheat flour
baking powder milk powder
D. Match the labels with the meanings.
corrosive
flammable
explosive
harmful
poisonous
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E. Fill in the blanks.
1. A mixture of fine sand and small stones can be separated byusing a_________.
2. A mixture of thumbtacks and sand can be separated by using a
__________.
3. We can use water, filter funnel and filter paper to separate a
mixture of fine sand and __________.
4. One way to separate a mixture of flour and _________ is by
using a magnet.
F. Underline the correct words.1. (Baking powder /Sugar) dissolves in water and in vinegar.
2. (Baking powder /Salt) releases bubbles when mixed with
vinegar.
3. (Tapioca flour /Sugar) gives a milky solution when mixed with
vinegar.
4. (Bleach /Syrup) can cause skin irritation.
G. Write the correct answers.
1. We need to look at the _________ before tasting any
b
sugar sieve paper clips magnet
filter funnel corrosive magnet labels