IA 2 Review (Units 1-2)

A student has a popsicle stick, a ruler, a pencil, and a fingernail file.

The student bends each thing. If the thing breaks, he puts it in a pile. If the thing does not break, he puts it in another pile. He is testing whether each thing is -

• hot or cold.

• heavy or light.

• rough or smooth.

• flexible or not flexible.

A student classified the above things in two groups.

Which of these BEST describe Group A and Group B?

• The things in Group A are solid and the things in Group B are gas.

• The things in Group A are solid and the things in Group B are liquid.

• The things in Group A are liquid and the things in Group B are solid.

• The things in Group A are gas and the things in Group B are liquid.

All of the following objects have a smooth texture EXCEPT—

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A chef puts butter in a pan on the stove. The chef turns on the stove. What will happen to the butter in the pan?

• The butter will stick to the pan.

• The butter will melt.

• The butter will turn into milk.

• The butter will freeze.

What happens to water when it is put in a freezer?

• It changes from a liquid to a solid.

• It stays a liquid.

• It changes from a liquid to a gas.

• It turns into gas.

A student has a piece of paper. All of the following change only the physical property of the paper except -

• folding the paper.

• burning the paper.

• crumpling the paper.

• cutting the paper.

A student spills a jar of safety pins in the yard. What can be used to pick up all the safety pins?

• A magnet

• A flashlight

• A blow dryer

• An ice cube

A group of toymakers want to build wooden trains that connect. They want the trains to pull apart easily so that children can change the trains over and over. What is the best way for the toy maker to connect the trains?

• Connect the trains using glue.

• Connect the trains using nails.

• Connect the trains using magnets.

• Connect the trains using tape.

Students build a bridge for their science class.

The students have to make the bridge a specific size. In order to do so, they must be able to cut and change the materials to make the bridge. Which of the following materials would be best to use to complete their project?

• Popsicle sticks

• Paper

• Metal

• Sand

Students roll a ball down a straight, flat ramp and observe its motion.

Which of the following shows the most likely path of the ball?

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