1) Which one is a light source? a) a backpack b) a pencil c) a flashlight d) a pair of pants 2) Light from the flashlight gets to the _______ so it looks bright. a) ocean b) sticker c) surface 3) Light from the flashlight does NOT get to the surface so it looks _______. a) bright b) dark c) medium bright 4) Which one shows a shadow? a) b) c) 5) How do you make a shadow? a) A light source and something blocking it b) turning on a light c) turning off a light d) turning on a laptop 6) How would we make a shadow smaller? a) put the flashlight closer b) pull the flashlight farther away 7) How would we make a shadow larger? a) put the flashlight closer b) pull the flashlight farther 8) Which materials blocked light? a) clear plastic, windows, glasses b) glass cup, lace, ice cube c) foam, foil, and cardboard 9) Which material did NOT block any light? a) blanket, a notebook, cardboard b) Clear plastic, windows, glasses c) foil, foam, stickers 10) How would we make a surface bright? a) Turn off the light b) turn off the laptop c) Close the blinds d) turn on the flashlight 11) What does medium bright mean? a) lets all light through b) lets no light through c) lets some light through 12) Which shows a bright surface? a) b) c) d) 13) How would we make a surface medium bright? a) block some light or use wax paper b) block all light or use foam c) do not block the light at all or use clear plastic 14) How do we make a surface dark? a) light a candle b) turn off the flashlight c) turn on the projector d) open the window 15) Which shows medium bright? a) b) c) 16) The surface looks _______ because some of the light passes through the bedsheet. a) bright b) dark c) some d) medium bright 17) The surface looks dark because ______ light passed though the foil. a) all b) no c) some d) bright 18) ________ light passes through the lace so the surfaces looks bright. a) all b) no c) some 19) ________ light passes through the bedsheet so the surface looks medium bright. a) no b) some c) all d) Biscuit 20) What is our unit problem? a) helping Spruce b) helping Sai c) helping the puppet theater company d) helping Bluey and Bingo

Light and Sound

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