1) Which of these are light sources? (multiple answers) a) torch b) moon c) candle d) sun e) shoes f) eye 2) Why can't humans see in the dark? a) our eyes are closed b) absence of light 3) How is a shadow formed? a) light from a source touching the floor b) light from a source being blocked by an opaque object 4) How do we see an image of ourselves in a mirror? a) The mirror reflects light b) There is another person standing behind the mirror 5) What light sources are not safe to look at? a) tv b) camp fire c) lighthouse d) torch e) street lamp f) sun 6) How can you protect your eyes from the sun? (multiple answers) a) walk around with your eyes closed b) sun hat c) sunglasses d) t shirt e) never go outside f) never look directly at the sun

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