When one end of a steel rod is heldin a flame, the other end of the rodgets hot. This happened because steel ____________.

A. makes its own heatB. is a good conductor of heatC. makes the flame hotterD. keeps cold away from the flame

B. is a good conductor of heat

Christine was in a hurry to cool a bottle of water. She placed the glass bottle in the freezer and then forgot about it. The next day she ______________.

A. took the cold bottle of water from the freezer and drank it.B. found the water was frozen and the lid on the bottle was hard to remove.C. found the water froze and contracted. There seemed to be less water than when she put the bottle in the freezer.D. found the water froze, expanded, popped the lid and broke the glass bottle.

D. found the water froze, expanded, popped the lid and broke the glass bottle.

In order for heat to travel by conduction, awarm object _____________.

A. warms air that carries the heat to another cooler objectB. must be far away from the cool object it is warmingC. must be near a cooler object to warm itD. must touch a cooler object to warm it

D. must touch a cooler object to warm it

When will a metal spoon get too hot to touch?

A. When picked up from the kitchen counterB. When placed in an empty pot on the kitchen counterC. When placed in a pot of cool water for a few minutesD. When placed in a pot of hot water for a few minutes

D. When placed in a pot of hot water for a few minutes

Molly wanted to find something in thekitchen at home that produced heat.

Which one of the following objects didshe find that produced useful heat?

A. RefrigeratorB. ClockC. StoveD. mixer

C. Stove

Which is the best and safest way to stop a fire in a frying pan from burning?

A. Smother it with a blanket.B. Use a fire extinguisher.C. Pour water on it.D. Cover it with salt or sand.

D. Cover it with salt or sand.

What is the boiling point?

A. 32 degrees FB. 98.6 degrees FC. 212 degrees FD. 100 degrees F

C. 212 degrees F

Fire safety instructors say that if clothingcatches on fire, “drop and roll” or use afire blanket. What will happen as a resultof these instructions?

A. The fire will be smothered and can no longer burn.B. The fire will spread to some other area and off of the person.C. The person can roll away from the fire.D. The fire will be insulated.

A. The fire will be smothered and can no longer burn.

Maria wants to do an experiment about animals. She getsthree jars and covers one with feathers, one with scales,

and one with fur. She put ice cream in each jar. Maria foundout that the ice cream stayed frozen the longest in the jar

covered with fur. What did Maria learn about the skin coverings of animals?

A. Animals with fur can’t eat ice cream.B. Animals with fur can keep warm best.C. Scales don’t protect animals from enemies.D. Fur is bad for animals who are cold-blooded.

B. Animals with fur can keep warm best.

A student fills two pans with water. One pan is put outside in the sun. The other pan is placed in the shade. Soon the pan in the sun had no water left in it. What causes this to happen?

A. The sun warmed the water. B. The wind was blowing C. The water was moving. D. Evaporation can’t happen in the shade.

A. The sun warmed the water.

Mr. Ross’s science class is doing an experiment. Each student fills a plastic cup with ice and cold water. They let it sit on their desks while they go to lunch. When the students return, they notice that the outsides of their cups are wet. What has happened when drops of water form on the outside of a cup of water?

A. precipitation B. evaporation C. condensation D. leaking

C. condensation

Anything that gives off heat is a source of heat. The major source of heat for the Earth is _______________.

A. the moon B. the sun C. fire D. electricity

B. the sun

Burt used a spoon to stir soup that was cooking on the stove. Which spoon will stay the coolest while he stirs?

A. an iron spoon B. an aluminum spoon C. a wooden spoon D. a silver spoon

C. a wooden spoon

What causes matter to change states?

A. energy from the air B. energy from water C. energy from heat D. energy from your brain

C. energy from heat

The scouts camped in tents. At midnight Brian heard some noises. He turned on his flashlight. The noises stopped. In the morning Brian found that the cooler was open. Some candy bars were gone. These prints were on the ground.

What could Brian infer about the noises?

A. It was made by the wind. B. Someone was playing a joke. C. A bear opened the cooler. D. There are raccoons in the forest.

C. A bear opened the cooler.

What does predict mean?

A. to guess B. to tell what might happen in the future C. to observe D. to give a scientific answer

B. To tell what might happen in the future

Predict what would happen if you never did your homework.

A. Your grades would drop. B. Your parents would be angry. C. You wouldn’t learn very much. D. All of the above.

D. All of the above.

Conner tested 3 different brands of papertowels to see which one absorbs the most water. What can you conclude from looking at the bar graph below?

A. Brand 1 holds the most.B. Brand 2 holds the most.C. Brand 3 holds the most.D. They all hold the same amount.

Paper Towel Absorbency

0

20

40

60

80

1 2 3

Brand

VO

LU

ME

(m

l)

A. Brand 1 holds the most.

While at recess, you find an empty potatochip bag. What inference can you make?

A. The bag is wrinkled. B. Someone left the bag after a picnic. C. There are 10 ants on the bag. D. The wind will blow the bag away.

B. Someone left the bag after a picnic.

Debbie is watching a nest of baby birds.The birds have become so large that they do not have enough room in the nest. Use this information to make a prediction.

A. The birds will stay healthy. B. Soon the birds will learn to fly and leave the nest. C. The mother bird will move the babies to a new nest.

D. The mother bird has stopped feeding the babies.

B. Soon the birds will learn to fly and leave the nest.

In a scientific experiment, what is the first thing you should do after asking the question?

A. make a hypothesis B. collect data C. design your experiment D. construct a graph

A. Make a hypothesis

Which unit of measure would be best to measure cough medicine?

A. liter B. milliliter C. second D. kilogram

B. milliliter

Which do scientists use to measure the amount of a liquid?

A. balance B. thermometer C. graduated cylinder D. ruler

C. Graduated cylinder

The objects below can be classified by solids and liquids. Which two things can be classified together?

A. 2 and 5B. 3 and 4C. 1 and 5D. 4 and 5

D. 4 and 5

Which device would probably be used to measure the temperature of the water in a swimming pool?

A. measuring tape B. scale C. thermometer D. graduated cylinder

C. thermometer

Rick and Carol collected a basket of shells. They wanted to sort the shells into 2 groups. What would be the best way to sort them?

A. by shape B. by age C. by the number of lines D. by where they were found

A. By shape

Lightning started a fire in the forest. The birds flew and rabbits ran away from the fire. The next year, there were still no birds or rabbits. Why didn’t the birds and rabbits come back?

A. The forest soil was gone after the fire. B. There were no good homes for them. C. They were afraid there would be another fire.

D. The insects took over the burned area.

B. There were no good homes for them.

You collected a pile of rocks from the playground. You separate them based on bumpiness or smoothness. You are sorting by _______________.

A. color B. weight C. texture D. smell

C. texture

Last week eight of your fish died. Two are still alive. What is the best explanation for what happened?

A. The fish will get better. B. The fish got lonely. C. The fish have a disease. D. Two fish died Sunday.

C. The fish have a disease.

Jequeeze did an experiment in class. The results he got did not match his hypothesis. What should he do?

A. Report his results exactly as he observed them.B. Make up new results that prove his hypothesis is correct.C. Change experiments.D. None of the above.

A. Report his results exactly as he observed them.

Isabel’s science project was about different earth materials changing temperature from the sun’s heat. In her experiment, she placed four different earth materials under a heat lamp. They were all kept there for the same length of time. Her data is shown in the graph. Which earth material changed temperature the most?

A. airB. waterC. soilD. rock

The Effect of the Sun's Heat

012345

air water soil rock

Material (50 cubic cm sample)

Ris

e in

T

emp

erat

ure

(C

)

C. soil

What measuring device could you use to measure the temperature of hot chocolate?

A. thermometer B. ruler C. graduated cylinder D. stopwatch

A. Thermometer

On a sunny summer day, David’s dog was found sleeping under some bushes in his backyard. Which question can David ask, investigate and answer using only a thermometer?

A. What is the difference in the air temperature in the shady and sunny parts of the yard?B. Why is the dog sleeping in the shade?C. Why is the dog not sleeping in the sunshine?D. Why is it cooler in the shade than in the sun?

A. What is the difference in the air temperature in the shady and sunny parts of the yard?

Which will tell you most about the mass of an object?

A. touching it B. weighing it C. looking at it D. taking it apart

B. weighing it

If a scientist wanted to find out how tall a plant grows each day, the scientist would _______________.

A. give the plant a half cup of water each day B. put the plant in a sunny place each day C. measure the plant with a ruler each day D. put the plant on a scale each day and weigh it

C. measure the plant with a ruler each day

A student is investigating plant growth. The student can change the amount of light, heat, water and the richness of the soil. During the investigations, the amounts of light, heat, and water remain the same. Only the richness of the soil changes. What is the variable in this experiment?

A. light B. water C. heat D. soil

D. Soil

Predict what will happen if water sits around long enough.

A. it will boil B. it will evaporate C. it will turn to ice D. all of the above

B. it will evaporate

Many fossil shells and shark’s teeth are found in areas that are now dry land. What does this tell you about that area’s past environment?

A. It had been a desert. B. It had been under water. C. It had been a swamp. D. It had been near a large lake.

B. It had been under water.

When plants and animals die, what kind of living thing will break them down into nutrients?

A. producer B. decomposer C. predator D. herbivore

B. decomposer

Which part of a non-mammal’s life cycle is most like the life cycle of a plant?

A. Eggs are like roots. B. Young leave their mother. C. Eggs are like seeds. D. Young get nutrients from their mother.

C. Eggs are like seeds.

Builders must fence in their land. They must plant grass before they are done. Why is it important for builders to follow these laws?

A. The cost of homes is less. B. There could be nails on the ground. C. Digging causes soil erosion. D. Builders damage rivers and lakes.

C. Digging causes soil erosion.

Which is true of all kinds of rocks?

A. All rocks are made of mineral. B. All rocks are made of layers of sand and bits of rocks pressed together in layers. C. All rocks are formed from high heat and great pressure deep in the earth. D. All rocks form from melted material deep in the earth that cools and hardens.

A. All rocks are made of mineral.

Hardness, color, and shape are examples of a mineral’s ________________.

A. price B. health C. weight D. properties

D. properties

Jeremy’s favorite television programs are science programs. After seeing a program about dinosaurs and how they lived, he was convinced that he wanted to study them and to be a _______________.

A. paleontologist B. volcanologist C. meteorologist D. oceanographer

A. paleontologist

A natural disaster hit a small valley town. Freshwater was polluted, hills were greatly eroded, burrowing animals died in their tunnels, and buildings and bridges broke and fell down. Afterwards, everything was covered with mud. What happened?

A. an earthquake B. a volcanic eruption C. a drought D. a flood

D. a flood

What process is slowly changing the Earth’s surface?

A. erosion B. earthquake C. volcanic eruption D. landslide

A. erosion

Which soil layer contains large rocks that have not or have just started to weather?

A. ground plants B. topsoil C. subsoil D. bedrock

D. bedrock

Soil helps trees because soil ________________.

A. makes food for the trees B. gives nutrients to the trees C. turns the roots into new trees D. moves the tree seeds to new places

B. gives nutrients to the trees

A seismograph instrument records movements of the earth. Many small recordings on the graph may help a seismologist predict a major _______________.

A. hurricane B. earthquake C. flood D. drought

B. earthquake

Water on Earth can be found as solid ice, as liquid, and as a gas called water vapor. Which of the following describes water as a liquid?

A. has a definite shape B. is found in the air C. can be poured D. is frozen

C. can be poured

Ten plants were placed in sandy soil and ten others were placed in clay soil. Both groups of plants were kept at room temperature, given the same amount of water, and placed in a sunny room. This experiment tests the effect of _______________.

A. sunlight on plant growth B. temperature on plant growth C. different soils on plant growth D. water on plant growth

C. different soils on plant growth

A large, high area of land that is flat on top is a _______________.

A. plateau B. plain C. mountain D. hill

A. plateau

A student scratches a mineral with her fingernail and a penny. What physical property is being studied?

A. shininess/luster B. hardness C. dissolving rate D. color

B. hardness

Your family wants to have a garden. Your soil is very sandy and dry. Nothing has grown very well there. What should you do to make your soil richer to grow better vegetables and flowers?

A. Water it well. B. Leave it like it is. C. Fertilize it, add humus, and mulch as well. D. Change the temperature of the soil.

C. Fertilize it, add humus, and mulch as well.

Which activity of people helps slow changes to the Earth’s surface by preventing erosion?

A. building roads through or around mountains B. strip mining for coal or iron ore C. cutting steps in hillsides to do terrace farming D. cutting down the whole forest on a hillside

C. cutting steps in hillsides to do terrace farming

Iron is found in the crust of the Earth. If this iron rusts, what color will it give the soil where it is found?

A. dark black B. red, orange C. brown D. tan

B. red, orange

Granite and basalt are common igneous rocks of the Earth. Igneous rocks are formed when rock material is ____________.

A. heated, deposited and cooled B. pressed down with other rocks C. hardened D. heated and pressed together

A. heated, deposited and cooled

Which of the following resources on the Earth that humans use is renewable?

A. Gold B. Copper C. Wood D. Aluminum

C. Wood

A student uses a coin to scrape against a rock. What property of the rock is being studied?

A. color B. hardness C. shininess D. temperature

B. hardness

Which of the following causes rocks to weather?

A. water B. wind C. plant roots D. all of the above

D. all of the above

The stinger on a wasp is used to __________.

A. attract other wasps B. carry food C. protect the wasp D. build its home

C. protect the wasp

Why do some animals migrate?

A. to escape from huntersB. to move their eggs to a safe placeC. to find food in the winterD. to hibernate

C. to find food in the winter

Which animal below would live in a dry, desert habitat?

A.

B.

C.

D.

C.

How does a plant differ from an animal?

A. Plants get energy from the sun and make their own food.B. Plants do not need air.C. Animals do not need oxygen.D. Animals and plants do not have the same need for water.

A. Plants get energy from the sun and make their own food.

Body parts that help us run, jump and throw a ball are _______________.

A. the heart, blood, and blood vesselsB. the brain, spinal cord, and nervesC. the bones, joints, and musclesD. the skin, hair, and nails

C. the bones, joints, and muscles

The insect, sometimes called a “walking stick”, uses camouflage for protection. To which habitat is it best adapted?

A. the sandy desert floor B. leafy tropical palm trees C. the woody twigs of trees or shrubs D. pine needles on a forest floor

C. the woody twigs of trees or shrubs

Animals escape from their enemies in many ways. Some fish have a spot on their tails. This spot looks like the eye of the fish. This fake eye tricks predators. They attack the tail of the fish. They think that it is the head. What is this type of adaptation called?

A. mimicry B. camouflage C. metamorphosis D. migration

A. mimicry

What adaptation does the dandelion plant have that has helped it spread all over the United States?

A. a large yellow flower B. very few leaves C. roots that go deep D. seeds that blow in the wind

D. seeds that blow in the wind

What adaptation helps some grasses survive in areas that get little rain?

A. deep roots B. tall stems C. broad leaves D. thick stems

A. deep roots

Which inherited trait helps a monkey learn how to swing from trees so well?

A. his brain B. his keen eyesight C. his grasping tail D. his fur

C. his grasping tail

The longest bone in the body helps support your weight. It also helps you stand and walk. This bone is found in what part of your body?

A. the arm B. the back C. the leg D. the foot

C. the leg

Which picture shows plants commonly found in a desert habitat?

A. B. C.

A.

Seeds are planted in five different pots of the same size and shape. The seeds are all given the same amount of water. The pot where the seeds were planted farthest apart grew the tallest plants. What plant need is shown by this experiment?

A. Water is needed for healthy plants. B. Soil is needed for healthy plants. C. Space is needed for healthy plants. D. A pot is needed for healthy plants.

C. Space is needed for healthy plants.

A lion was hunting for his dinner. A zebra saw the lion and knew he had to hide. What would be the best hiding place for the zebra?

A. the woods B. the river’s edge C. a field D. tall grass

D. tall grass

Some plants protect themselves from being eaten with _______________.

A. brightly colored flowers B. camouflage C. thorns D. claws

B. camouflage

Which animal is a carnivore?

A. a lion that eats deer and sheepB. a rabbit that eats grass and weedsC. a bear that eats berries and fishD. a person who eats salad and steak

A. a lion that eats deer and sheep

An organism which feeds only on producers is _______________.

A. a carnivore B. an herbivore C. an omnivore D. a monster

B. an herbivore

To adapt means to _______________.

A. move to another area B. have special structures or behavior suited to your surroundings C. grow gills D. all of the above

B. have special structures or behavior suited to your surroundings

Some plants need insects to pollinate them. Which of the following is a property of flowers that attracts insects?

A. They make nectar. B. They are scented. C. They have bright colors. D. All of the above

D. All of the above

The arctic fox uses camouflage to hide from its enemies. In the summer its coat is shades of gray and brown to blend in with the landscape. What will its coat look like in the winter?

A. more brown than gray B. more gray than brown C. the same as spring, summer and fall D. white

D. white

Which animal is an omnivore?

A. A lion that eats deer and sheep.B. A rabbit that eats grass and weeds.C. A bear that eats berries and fish.D. A shark that eats fish and seals.

C. A bear that eats berries and fish.

What kind of energy is produced when a tuning fork is struck against a surface?

A. Light engeryB. Electric energyC. Sound energyD. Wind energy

C. Sound energy

Through which kind of matter does sound move fastest?

A. Solid B. Liquid C. Gas D. All of the above

A. Solid

Through which material does sound travel slowest?

A. Wood B. Plastic C. Water D. air

D. air

A tool that communicates by sound must have _______.

A. A surface that is smooth B. A surface that is rough C. A surface that is cold D. A surface that vibrates

D. A surface that vibrates

If you tighten the strings on a guitar, the sound will become ________.

A. louder B. softer C. higher D. lower

C. higher

The loudness of the sound depends on the energy a sound has. The more energy, the louder the sound. Which of the following sounds has the most energy?

A. A whisper B. The chirp of a bird C. A car’s horn D. A cough

C. A car’s horn

Which of the following tools would be used to measure how far a ball rolls?

A. Tuning fork B. Meter tape C. Forceps D. Graduated cylinder

B. Meter tape

Which means of air transportation moves with greater speed?

A. A hot air balloon B. A jet plane C. A helicopter D. A parachute

B. A jet plane

A push or pull is called a ___________.

A. position B. block C. force D. surface

C. force

Gravity is the force that causes objects to ___________.

A. float B. fall C. vibrate D. stop

B. fall