1) What is the light source in the picture? a) the goggles b) the flashlight c) the Earth model 2) How does light travel? a) Light travels in curved lines. b) Light travels in straight lines. c) Light travels in a circle. 3) Which of the following statement is TRUE about an opaque object? a) It does not form the shadow. b) It blocks light. c) It lets light pass through. 4) Can the girl see the pink flowers? Explain why. a) She can see the pink flowers because the Sun is the light source. b) She cannot see the pink flowers because there is not any light source. c) She cannot see the pink flowers because light reflecting from them does not reach her eyes.

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