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Science
3rd -
4thgrade
Changes in the Position and Length of Shadows
10 questions
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- 1. Multiple Choice
1. Which of the following tells time?
A. Position of the sun
B. Prominence
C. Solar energy
D. Sunspots
- 2. Multiple Choice
2. At what time of the day can you have the shortest shadow?
A. 9:00 a m. a.m.
B. 10:00
C. 12:00 noon.
D. 2:00 p.m.
- 3. Multiple Choice
3. Why do opaque objects form shadows?
A. Because they absorb the light that hit them.
B. Because they reflect the light.
C. Because they bend the light that hit them.
D. Because they cover the lights that hits them.
- 4. Multiple Choice
4. What is the position of light rays such that objects will cast a longer shadow?
A. On top
B. Sideways
C. Slanted
D. Trapped.
- 5. Multiple Choice
5. A boy draws his shadow at different times of the day. How will his shadow look at noon?
A. shorter than the morning shadow
B. longer than the morning shadow
C. same length as the morning shadow
D. same length as the afternoon shadow
- 6. Multiple Choice
6. When the sun is behind you, your shadow is ________________.
A. behind you
B. at the side of you
C. in front of you
D. below you
- 7. Multiple Choice
7. The length of the shadow changes throughout the day because of the
A. size of the sun
B. positions of the sun
C. heat of the sun
D. color of the sun
- 8. Multiple Choice
8. In which position, the sun can cast the longest shadow?
- 9. Multiple Choice
Shadow is a dark area formed when straight light rays are blocked by opaque objects.
True
False
- 10. Multiple Choice
The changes in the position and length of shadows depend on the angle at which the sunlight strikes the object to the ground.
True
False
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