1) Which form of energy helps us to see things? a) Heat b) Electrical c) Mechanical d) Light e) Sound f) Chemical 2) On rough surfaces, light reflects in...? a) The same direction b) All directions 3) Reflection occurs when rays of light are absorbed by an object. a) True b) False 4) It is very dense and refracts light very well. a) Cola Cao b) Coke Zero c) Juice d) Water e) Coffee f) Oil 5) Light travels very fast at a speed of...? a) 30 km/sec b) 300 km/sec c) 3,000 km/sec d) 30,000 km/sec e) 300,000 km/sec f) 3,000,000 km/sec 6) On smooth surfaces, light reflects in...? a) the same direction b) all directions 7) ______ are smooth, shiny surfaces that reflect light very well. a) Lenses b) Water c) Gold d) Telescope e) Paper f) Mirrors 8) Light moves in a straight line called a...? a) Day b) May c) Ray d) Hay e) Lay f) Say 9) Submarines use mirrors in a _____ to see what is happening above the water. a) Periscope b) Telescope c) Horoscope d) Microscope e) Stethoscope f) Spectroscope 10) It happens when light passes through a medium with a different density, causing it to change directions. a) Reflection b) Refraction 11) The different colors in white light bend at different angles and are separated, so we see how many colors? a) 3 b) 4 c) 5 d) 6 e) 7 f) 8 12) Rainbows are caused by...? a) Reflection b) Refraction 13) It occurs when rays of light are not absorbed by an object and bounce off, instead. a) Reflection b) Refraction 14) When sunlight hits water droplets in the air, the light _____. a) Reflects b) Refracts 15) Refraction helps us to see. a) True b) False 16) Pieces of curved plastic or glass. a) Mirror b) Telescope c) Lenses d) Prism 17) Lenses refract light and can make objects _____ or _____. a) Bigger b) Louder c) Stronger d) Cuter e) Smaller f) Tastier 18) Refraction happens when light passes through a medium with _____ density, causing it to change directions. a) the same b) a different

Reflection & Refraction

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