4th Grade Science Review

Donald has two ice cubes from two different trays. They look to be the same size. He wants to find out which one has more volume. Which of these is the best way to find out?

• compare the width of both cubes

• melt both of them in measuring cups and measure the liquid water

• crush each one and compare the sizes of the piles of crushed ice

• hold one in each hand and see which one feels heavier

Shanna drew the picture below as part of a study of plant reproduction.  

Which of these statements describes Shanna’s drawing?

• Plant seeds can be spread, or dispersed, by wind.

• Fertilization happens when sperm joins an egg.

• Germination occurs when pollen spreads through the air.

• Animals, water, and wind spread pollen.

Payton wants to do an experiment to find out which kind of food her hedgehog likes best. Friends gave her advice about it. Which advice should she listen to?

• "You should look up the proper way to do this so that your results are valid."

• "It is unscientific to be creative. Do what others have done to get good results."

• "You might create an experimental plan no one has thought of before. You might discover something new."

• "Your experiment will probably be the same as what has been done before. Just look up what others found out on the Internet."

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Joan is studying the life cycle of an animal. She looks at this picture of one stage of that animal’s life cycle.  

 

What can Joan say about the life cycle of this animal?

• It is in the pupa stage of metamorphosis.

• It is in the butterfly stage of metamorphosis.

• It is going through complete metamorphosis.

• It is going through incomplete metamorphosis.

Many animal characteristics are inherited. The animal’s environment can affect other characteristics. Which of the following is an example of a physical characteristic that can be affected by the environment?

• spots on dog’s fur

• stripes on a tiger

• color of a snowshoe hare

• leathery skin of a snake

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Bears are animals that hibernates during winter months. Its heart rate and body temperature drop to conserve energy. In which state would you least expect to find hibernating bears?

• Texas

• Florida

• Illinois

• New York

Billy visits the rock exhibit at a local museum. He sees some rocks have layers and small fossils. Which type of rock is Byron most likely looking at?

• granite

• igneous

• metamorphic

• sedimentary

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1Carol is writing a report about animal behavior. She wants to include examples of inherited behaviors in her report. Which of the following would be a correct example for Carol to use?

• dog sitting for a treat

• monkey cracking a nut with a rock

• Spider making a web

• parrot repeating words

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The sun is an important resource for both plants and animals. Solar energy can be used for homes, businesses, and crops. Which type of resource is the sun?

• human resource

• mineral resource

• renewable resource

• nonrenewable resource

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Kerry is doing a report about limestone rock in Florida. She knows that limestone rock is one of the most common rocks in the state. Which of the following topics would Kerry research to find out how limestone is used in Florida?

• constructing buildings

• fertilizing citrus crops

• making solar panels

• producing electricity

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