1) We see things when light ________ our eyes. a) enters b) leaves c) touches d) bounces off 2) Things that give off light are called _______________. a) dark sources b) shadow sources c) light sources 3) What are the examples of light sources?  a) The Sun and the lamp b) The fan and the microwave c) The bat and the ball 4) ______________ happens when there is no light. a) brightness b) light c) day d) darkness 5) At night, street _______________ are turned on. a) lights b) breakers c) torches d) stars 6) Some animals like glow worms and ______________ give off their own light. a) crickets b) fireflies c) moths d) bats 7) Light from a ________ helps us see in the dark. a) clock b) diamond c) spoon d) candle flame 8) We can hurt our eyes if we ________ very bright light. a) peep at b) look directly at c) look away from d) cover our eyes from 9) We should not _______________ light into someone's eyes. a) give b) flash c) take d) gift 10) What is light? a) Light is a push or pull. b) Light is a form of energy. c) Light is a state of matter. d) Light is made up of atoms.

Unit - 9 Light and Shadows (Part - 1)

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