Self-Test 1
A. Directions: Write T if the sentence is true and F if it is false.
1. Light always travels in a straight line.
2. All opaque materials cast shadow.
3. An object's shadow is always the same size and shape.
4. The shadow also depends on its distance from the light source
5. Wood is an opaque material.
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Answer:
1.T 2.T 3.F 4.T 5.T
Explanation:
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