Which illuminates the Earth in the daytime?, MOON, SUN, means to light up, Sound, Illuminate, Energy, How does light travel?, in a straight line., in a circle, We ____ see objects without light., can, cannot, Which of the following gives off light?, book, lamp, fire, bag, Energy is the ability to do work., true, false, Sound is a kind of energy that allows us to see., true, false, When you turn on TV, the screen gives off light., true, false, ------------------- can illuminate a dark room., candle, table, light make it easier to see object?, true, false.

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