Name ______

Seasons Assessment, Direct & Indirect Heat Energy

Objective – 2.1c Investigate the relationship between amount of heat absorbed and the angle to the light source.

Use the pictures to answer the next question.

1. Which type of heat energy does Sun A represent?

a. Direct heat energy. c. Neither direct nor indirect heat energy.

b. Indirect heat energy. d. Both direct and indirect heat energy.

2. You shine a flashlight on a piece of white paper at a 30o angle. Which circle best represents the area covered by the light?

a. b. c.

3. Why is it cold in the winter?

a. We are farther from the Sun in winter.

b. We receive direct heat energy from the Sun.

c. We receive indirect heat energy from the Sun.

d. We receive both direct and indirect heat energy from the Sun.

Use the diagram below to answer questions #3 & #4.

4. Which metal plate would be the warmest?

a. A c. C

b. B d. D

5. Which metal plate would be the coolest?

a. A c. C

b. B d. D

Use the diagram to answer the next question.

6. Which paper would feel the warmest after several minutes? The papers are all the same distance from the light.

a. A c. C

b. B

7. In what month would the sun’s light strike Utah at the lowest angle?

a. June c. December

b. September d. March

8. You shine a flashlight on a piece of white paper at a 90o angle. Which circle best represents the area covered by the light?

a. b. c.

9. Why is it hot in the summer?

a. We are farther from the Sun in winter.

b. We receive direct heat energy from the Sun.

c. We receive indirect heat energy from the Sun.

d. The temperature for the two thermometers will be the same.

Name ______

Seasons Assessment, Direct & Indirect Heat Energy – Short Answer

Objective – Investigate the relationship between the amount of heat absorbed and the angle to the light source.

Use the diagram to answer question #1.

Diagram A

Diagram B

1. Explain why the shadow made by the straw on Diagram A is shorter than the shadow made by the straw on Diagram B. Use complete sentences and unit vocabulary terms. Underline vocabulary terms.

______

______

______

______

______

Use the diagram to answer the next question.

(source: Mother Earth News)

2. During which season would you see the Sun at position A? Explain your choice.

Season ______

______

______

3. During which season would you see the Sun at position B? Explain your choice.

Season ______

______

______

4. During which season would you see the Sun at position C? Explain your choice.

Season ______

______

______

Use the diagram to answer the next question.

5. Identify which flash light represents direct and indirect heat energy. Use examples from experiments conducted in class demonstrating direct and indirect heat energy.

a. Flashlight A represents______heat energy.

Explanation______

______

______

b. Flashlight B represents______heat energy.

Explanation______

______

______

Seasons Assessment Direct & Indirect Heat Energy – Key

1. Which type of heat energy does Sun A represent?

a. Direct heat energy.

2. You shine a flashlight on a piece of white paper at a 30o angle. Which circle best represents the area covered by the light?

c.

3. Why is it cold in the winter?

c. We receive indirect heat energy from the Sun.

4. Which metal plate would be the warmest?

b. B

5. Which metal plate would be the coolest?

a. A

6. Which paper would feel the warmest after several minutes? The papers are all the same distance from the light.

b. B (3 choices)

7. In what month would the sun’s light strike Utah at the lowest angle?

c. December

8. You shine a flashlight on a piece of white paper at a 90o angle. Which circle best represents the area covered by the light?

a.

9. Why is it hot in the summer?

b. We receive direct heat energy from the Sun.

Seasons Assessment, Direct & Indirect Heat Energy – Short Answer – Key

Objective – Investigate the relationship between the amount of heat absorbed and the angle to the light source.

Use the diagram to answer question #1.

Diagram A

Diagram B

1. Explain why the shadow made by the straw on Diagram A is shorter than the shadow made by the straw on Diagram B. Use complete sentences and unit vocabulary terms. Underline vocabulary terms.

The shadow for diagram A is shorter because the angle of sunlight is higher. The higher the angle, the more direct the heat energy from the Sun.

The shadow for diagram B is longer because the angle of sunlight is lower. The lower the angle, the more indirect the heat energy from the Sun.

Use the diagram to answer the next question.

2. Identify which flash light represents direct and indirect heat energy. Use examples from experiments conducted in class demonstrating direct and indirect heat energy.

a. Flashlight A represents direct heat energy.

The larger the angle, the more direct the heat energy from the Sun.

b. Flashlight B represents indirect heat energy.

The smaller the angle, the more indirect the heat energy from the Sun.

Use the diagram to answer the next question.

(source: Mother Earth News)

3. During which season would you see the Sun at position A? Explain your choice.

Season Winter

The Sun is in its lowest position in the sky during winter.

4. During which season would you see the Sun at position A? Explain your choice.

Season Fall/Spring

The Sun is between its highest lowest position in the sky during fall and spring.

5. During which season would you see the Sun at position A? Explain your choice.

Season Summer

The Sun is highest in the sky during summer.

Seasons Assessment Direct & Indirect Heat Energy – Scoring Guide

1. a
2. c (3 choices)
3. c
4. b
5. a
6. b
7. c
8. a (3 choices)
9. b / Scoring Guide
8-9 – 3
7 – 2.5
6 – 2
5 – 1.5
4 – 1
1-3 – .5
0 – 0

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