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1. Which of the following is true about visible light?
A. Visible light is not real.
B, Visible light can never harm you.
C. Visible light can't be seen.
D. Visible light is radioactive and causes skin cancer.
2. When is a shadow formed?
A. when light passed an object
B. when light is absorbed
C. when light is blocked
D. when there is no light a
3. When does reflection happen?
A. When light curves in a circular path
B. When light bounces off a shiny, smooth surface
C. When light spreads out as it passes through a gap
D. When light bends as it moves through different materials
4. What happens when light strikes a transparent surface, such as window glass or plastic wrap?
A. The light will bend
B. The light will bounce back
C. The light will be absorbed and heated
D. The light can pass through or be transmitted
5. In which of the following materials can light NOT pass through?
A. wooden door
B, clear cellophane
C. glass with water
D. clear glass jalousie window
6. Which of the following materials will allow light to pass through?
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