1) Which one below is a source of light? a) Sun b) Moon c) Mirror d) Blanket 2) What does opaque mean? a) Light is unable to pass through. b) Light can pass through. 3) A shadow is formed when an object blocks the light. a) True b) False 4) If the object is close to the light source, the shadow is.... a) Small b) Large 5) Which is not a source of light? a) Torch b) Candle c) Mirror d) Fire 6) What does transparent mean?  a) Light can pass through. b) Some light can pass through. c) No light can pass through. 7) If the object is far away from the light source, the shadow is... a) big b) small 8) Is an apple ... a) Transparent b) Opaque c) Translucent 9) Is a window ... a) Transparent b) Translucent c) Opaque

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