solve 5th prim

7/30/2019 Solve 5th Prim

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General exercises

Q1:-:- 1- red blood cells 2- aorta artery 3- ball bearing 4- air resistance 5- clay

6- sandy soilQ2:- write a brief

1- force exists between two touches surface and its works in the opposite direction of movement

2- yellow watery fluid at which all blood components suspended in it

3- soil which consists of sand particles and its good aerated soil

4- Excretory material get rid off the body through skin and it is extracted by sweat glands in skin

5- Type of resistance force which exists between water and any object moves through

Q3:- choose the correct answer:-

a-2 b- 2 c- 3 d- 1 e-2 f- 3 g- 3 h- 1 i- 2 j- 1

Q4:- put or X

a- X harms the circulatory system B- X humans blood c- X harms urinary system

d- X urethra is tube e- f- g- h- X weak compact ,has high aeration

I X to the all body parts j- X soil k- X sand soil

Q5:- complete:-

a-Water resistance b- air resistance c-movement d- friction e- friction

f- Chemical pesticides-Chemical fertilizers-Industrial wastes

g- movement ( pushing force) h- silt clay sand i- delta j- medium high-high

k-Ethiopian

exercises on 2nd

term:-

complete the following :

1-deoxygenated oxygenated 2- pulmonary artery 3- ureters urine 4- skin- two lungs

5-Ethiopian 6- silt soil 7-clay sand 8- silt 9- Chemical pesticides-Chemical fertilizers-Industrial

wastes

10- decrease friction 11- heart blood blood vessels 12- sand clay humus 13- clay

Q2:- 1- it is blood circulation between lungs and heart

2- its a type of glands in the skin which work to extract the excess water and salts

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3- decayed living organisms which have black color and increase soil fertility

4- its any change in soil components which change its structure and harms living organisms

depend in

Soil

5- a force between two touches object and it is work in opposite direction of movement

6- a set of smooth metallic balls but between internal moving parts of machines

7- it is blood circulation between heart and body parts

8- a narrow tube which carry urine from kidney to urinary bladder

9- a sac like muscular organ which store the urine till it out from body

10- its a blood vessels which carry deoxygenated blood from heart to lung

11- the soil which contain basic element which necessary to grow the plants

12-non compacted superficial layer which cover earth crust and living organisms depends on

13- its a type of soil which highly fertile and medium compactness and aeration

14- a type of blood cell which defense body against microbes

15- a yellow watery fluid which carry blood components and transfer digested food to cells and

excretory materials to excretory systems

16- a tubes which carry blood to all body parts

Q3:- 1- a type of blood cells which carry oxygen to cells and carbon dioxide to lungs

2- a type of blood cells which helps in blood coagulation and prevent bleeding

3- transfer digested food to cells and excretory materials to excretory systems4- filter the blood from urine

Q4:- 1- wind 2- rains 3- pressure 4- water rushing 5- heat

Q5:-

1-Decreasing the use of pesticides and depending on natural pest enemies instead.

2 Decreasing the use of fertilizers and using natural fertilizers instead

3 Improving the drainage of agriculture lands

4 Technology investment in waste water treatment instead of disposal in lakes and canals

5 Establishment of factories in places far from farmlands .

6 Follow the technological methods in the treatment of factory wastes

7 Irrigation of agricultural land regularly to prevent their drying and increasing salts in it .

8 Promoting environmental awareness among the people specially in agricultural areas

9 Recycling of agricultural wastes to useful materials

Q6:- 1- the internal parts of machines ore often damaged as a result of afriction force e between their

moving parts.

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2- the friction between the parts of machine gets its temperature high ,and it causes the damage of

machines and wasting money .

Q7:- 1- By using lubricants and oils. They decrease the friction force between the objects so it is used in

engines.

By using ball bearings . Because ball bearing decrease the friction area , so the friction force decrease

Q8:-

1- without soil plants cant grow, so there is no food for animals and humans.

2- many organisms make their home in soil.

3 Roots take water and nutrients from the soil.

4 Roots hold the plant in the soil.

5 Plants in the soil prevent soil erosion.

6 Ants and other insects make tunnels and lay their eggs in there.

Q9:- 1) Keep exercising to activate the blood circulation.

2) Eat healthy and balanced food (lowing fat and salt).

3) Drink suitable amount of water daily.

4) Avoid accidents and wound.

5) Avoid smoking and smokers.

6) Eat more fruit and vegetables fresh and clean.

Q10:- 1- To make blood move from atrium to ventricle only.

2- to maintain the circulatory system and the blood.

3- Their thin wall allows blood to deliver food and oxygen to the cells . andallows to get rid of wastes materials.

4- bec they are the materials from food that your body cannot digest.

They are stored in large intestines before passing out of the body.

5- to control it or change its direction

6- to protect soil from pollution

7- to increase surface area and air resistance so it can land safely

8- to decrease air resistance and move with high speed with less energy consumed

9- to decrease friction force and protect machine from damage

10- to decrease friction force and protect machine from damage

11- to squeeze water out during rains and prevent car slipping down

12- because the size of its particles is large

Q11:- 1- peanut 2- left atrium 3- friction 4- increase fertility 5- opposite 6- blood platelets

7- plasma 8- increase the acidity of soil

Q12: (1) 1- the urinary system 2- ( 1- kidney 2- urinary bladder 3- urter 4- renal vein 5- renal artery )

3- store urine till it expelled out the body

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4- 1- renal artery carry impure blood to ward the two kidney

2- kidney filter blood from urine then pass it through ureter to urinary bladder then out through

urethra

3- pure blood back again through renal vein to ward heart

(2) 1- 2- left atrium ( oxygenated blood )

Right atrium ( deoxygenated blood )

3- 1- left ventricle 2-right ventricle 3- right atrium 4- left atrium 5- wall of left side

6- pulmonary artery 7- aorta artery 8- pulmonary artery 9- four pulmonary veins10 - superior vena cava 11- inferior vena cava 12- septum ( wall)

2- prevent mix of oxygenated blood with deoxygenated blood

3- ( arteries veins blood capillaries )

(4)

Q13:- (a)1- it kill natural pest enemies since it lake to water of irrigation and harms the living organisms

which depends in this plants

2- a) The death of organisms that live in soil that increase its fertility

b) Leaking of these materials to plants that grow in the soil and harms the

humans and animals that feed on these plants.

3- reach the soil with wind or water irrigation or rain causing Increases soil acidification . and this

acidification deprives plants from the soil salts

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4- leads to dryness of soil cause loss of cultivated plants.

(b) 1- a) The death of organisms that live in soil that increase its fertility

b) Leaking of these materials to plants that grow in the soil and harms

2- it will not grow 3- soil erosion take place

4- soil will be less aerated poor in humus roots cant pass easily through soil

5- the poisonous take place then man die

6- causes kidney and ureters stones

7- it harms the urinary system healthy

8- the oxygenated blood mix with deoxygenated blood then man die

9- the heart beats increases

10 the car slipping down which causes accidents

11- the human slipping down which causes frictions for skeletal system

12- the water resistances increases which causes the diver need more energy to over come this force

14- it will slipping down and make accident in case of absences of grooves

15- after a period of time the machine damage due to increase of friction between internal moving parts of

machines

Q14:- (1) 1- e 2- a 3-g 4- a 5-h 6- d 7-c

(2) 1- d 2- e 3- b 4- a

(3) 1- d 2- e 3- a 4- b

(4) 1- b 2- d 3- a 4- e

(5) 1- b 2- c 3- a

Q15:-

Clay and silt Clay sand silt humus Sand and small amount clay and

silt

Dark Grey yellow

Tiny Medium -------------

----------- Medium low

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------------- medium High and fast

fertile ------------- low

Q1:- 1- force which exists between two touches surface and works in opposite direction of body movement

2- they are the wastes materials are produced when the cell burn the digested food.

3- blood circulation between heart and two lungs

Q2:- 1- 2- 3-

Q3:- 1- opposite 2- grooves and inscription 3- carbon dioxide - oxygen

Q4:- (1)

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(b)

Friction increases between rough surface and decreases between smooth surfaces

Q5:-

1- body moves with constant speed

2- the poisoning take place then man die

3- plant cant grow well which decrease crop yield

Model exam 2:-

1- Ball bearing 2- soil 3-humus

Q2:- 1- 2- 3- X white blood cells

Q3:- 1- kidney 2- artery 3- silt soil

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solve 5th prim

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