Unit 4 Review

A thermometer shows that it is 15 °C outside. What will happen to an ice cube if you put it outside?

• It will not change.

• It will change to a gas.

• It will change to a solid.

• It will change to a liquid.

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Hana measures the temperature of sand in a cup. She leaves the cup in the hot sun for 1 hr and measures the temperature again. The figure shows the cup at the start of her experiment and after 1 hr. Which measurement is closest to the rise in the temperature of the sand?

• 4 °C

• 10 °C

• 6 °C

• 12 °C

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The picture shows a pot of water on a stove. Read the thermometer in the pot. What could you do to make the water boil?

• put the pot in the freezer

• take the pot off the stove

• turn down the heat on the stove

• turn up the heat on the stove

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How are snow, hail, and sleet alike?

• They are gases.

• They are solids.

• They are liquids.

• They are water vapor.

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Which tool does Christopher use to measure the mass of different objects?

• ruler

• pan balance

• thermometer

• graduated cylinder

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            There are four containers of water. Each container is a different temperature. Container 1 is below 0 ºC. Container 2 is 50 ºC. Container 3 is 70 ºC. Container 4 is 100 ºC. For which container can you use reasoning to support a claim that the water is boiling?

• 1

• 3

• 2

• 4

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What happens to water during evaporation?

• It changes from a liquid to a gas.

• It changes from a gas to a liquid.

• It changes from a liquid to a solid.

• It changes from a solid to a liquid.

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At which temperature does water boil?

• 0 °C

• 50 °C

• 10 °C

• 100 °C

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Samantha wants to compare physical properties of things in the classroom. She makes a table to help her remember which tools and units to use. Which tool does Samantha need to finish the table?

• graduated cylinder

• liter

• stopwatch

• thermometer

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Which of these statements describes one way that solids are different from liquids?

• Solids have mass, but liquids do not.

• Solids take up space, but liquids do not.

• Solids change states, but liquids do not.

• Solids have a definite shape, but liquids do not.

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