Heat Review

1. (AKS 1a) A student is investigating friction as a source of heat energy using a toy train and train tracks. Which question should the student try to answer with her investigation?

• a. Do train tracks feel warm on sunny days?

• b. How quickly can a train go around a track?

• c. How much heavier is a train than the train tracks?

• d. Do train tracks get warmer right after a train passes?

(AKS 1c) The picture below shows a cup of water and a thermometer on a sunny summer day, then the same beaker later in the day in the shade. Which of the following is the most likely temperature of the water in the shade?

• 0 C

• 25 C

• 30 C

• 35 C

5. (AKS 1) A student is investigating what happens to a metal spoon when you put it in hot water. What question would he ask with his investigation?

• Would the temperature of the spoon decrease in the hot water?

• Would the spoon dissolve in the hot water?

• Would the temperature of the spoon remain the same?

• Would the temperature of the spoon increase in the hot water?

6. (AKS 1c) You burn your foot when you step onto the hot pavement. This is because the heat moves_____________.

• a. from the pavement to the air

• b. from the pavement to your foot

• c. from your foot to the pavement

• d. from your foot to the air

Students at your school have been burning their hands on the monkey bars. Which would be the best investigation for determining the material that should be used to make the monkey bars safe for students’ hands?

• A. Measure the temperature of the material that the monkey bars are made of while the bars are in the shade and then in the sun. Compare the temperatures to see which is the lowest.

• B. Measure the temperature of the material on the ground under the monkey bars and compare it to the temperature of the monkey bars during the hottest part of the day.ption 2

• C. Measure the temperature of different materials on other playground equipment after the materials have been in the sun for several minutes. Compare to see which has the lowest temperature.

10. Susan wanted to build a container to keep her lemonade cool as she played volleyball on a hot sunny day. She did an experiment with different materials in order to decide what she should use in her design The results are in the table below. Which material should Susan choose to build her container and why?

• A. Material #2 because it did not allow the heat to pass through easily.

• B. Material #2 because it allowed the heat to pass through easily.

• C. Material #3 because it did not allow the heat to pass through easily.

• D. Material #3 because it allowed the heat to pass through easily.

(AKS 1c) A student recorded temperatures in the school cafeteria throughout the day for one week. Based on these notes, what question could the student answer about the source of heat?

• a. Are the window blinds open or closed at different times of the day?

• b. What day of the week is hottest?

• c. Are more people wearing jackets in the cafeteria at 1 p.m. than at 11 a.m.?

• d. Are the ovens in the kitchen on?

4. (AKS 1c) A house that is built in the desert gets a lot of direct sunlight. The homeowner wants the house to stay cool during the hot summer months. What color should the house be painted?

• black

• blue

• brown

• white

8. (AKS 1) If a thermometer is in cold water and is moved to a pot of boiling water. Think about what would happen. Explain what would happen to the thermometer in the cold water and in the hot water.

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