1) luminous a) give off light b) catch on fire c) dark d) give the answer 2) judge a) tell the truth b) estimate the size or amount of something c) guess wrong d) lie 3) transparent a) dark b) cloudy c) able to see through d) broken 4) illuminate a) give off light and make brighter b) make darker c) see through d) estimate the size 5) reflect a) make darker b) pass through c) give off light d) bounce back without passing through 6) Which of these is transparent? a) window b) door c) tv d) sweater 7) What would illuminate a dark room? a) blanket b) lamp c) sleeping mask d) mirror 8) Where would you see your reflection? a) mirror b) lamp c) blanket d) ponytail 9) Which word is a synonym for judge? a) reflect b) bossy c) estimate d) luminous 10) distinguish a) tell the difference between b) reflect c) clear d) make darker 11) surface a) send a message b) the outside of something c) give off light d) make darker 12) signal a) solid b) examine c) send a message d) give off light 13) opaque a) cannot see through b) transparent c) give off light d) send a message 14) duct a) make darker b) give off light c) send a message d) tube for air or liquid to pass through

Science Behind Sight

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