TCAP Science Review- fourth grade

Giraffes have long, slim necks. This adaptation helps the animals survive because the giraffes can

• run faster

• lead the herd

• reach more food

• drink more water

• Hawks

• Fish

• Mayflies

• Algae

A glass of water is left outside on a sunny day. What will most likely happen to the water?

• It will change shape.

• It will condense.

• It will evaporate.

• It will boil.

The spruce-fir moss spider is an endangered animal that lives in moss under some fir trees. The trees keep the moss from getting too dry from the sun or too wet from the rain. Which is the most likely reason the spruce-fir moss spider is an endangered animal?

• Large amounts of fir trees were destroyed.

• The number of spider predators decreased.

• Moss began growing on trees.

• The deer population in the forest increased.

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Some eagles eat fish that contain chemicals from polluted water. Some chemicals cause eagle eggs to have thin shells that break easily. Which will most likely happen to eagles that live near water pollution?

• They will move to an area that has more dry land.

• They will eat other foods instead of fish.

• More birds will migrate south.

• Fewer young will survive.

Which best shows a complete circuit?

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Scientists have discovered that a type of plastic is an effective insulator to block heat. What tool was developed as a result of this discovery?

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Students need to build a model that shows how wind can change the surface of Earth. Which model best shows wind erosion?

• pouring water over a pile of rocks

• digging in soil with a shovel

• spraying water over a tray of soil

• blowing air over a pile of sand

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