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Grade and Section:
Weekly Assessment Test No. 2 in Science 4 (Third Quarter)
1. Direction: Write True if the statement is correct. Write False if the statement is wrong. Write th
correct answer on the space provided.
1. Light can be reflected if it is directed towards a mirror,
2. Refraction is the bouncing back of light.
3. When somebody faces a mirror, his reflection can be seen in a reversed manne
4. Light travels faster in air than in liquids.
5. The speed of light remains the same even if it travels from one material to anot
6. The sun makes its own light.
7. Sound loses strength as it spreads outward in all directions from the source.
8. Volume refers to the loudness and softness of sound.
9. Soft sound is produced when an object vibrates fast.
10. The echo is the sound that is reflected or returned.
11.The moon is the main source of light.
12. When light bounces off a mirror, refraction is produced.
13. The light travels in straight lines from a source of light.
14. Light is a form of energy.
15. Lightning is a natural source of light.
II. A. Study the pictures. Write NS for natural source of light and AS for artificial source of ligh​