Light travels in _____________ lines from a _____________of light, which bounces off an object because the _______________ enters our eyes. Wood and cardboard are ____________ objects, which light cannot travel through. __________________ is a ____________________material which allows light to pass through. Tissue paper is ______________which will let some light travel through. When an objects blocks out the light, a ___________________is formed. Shadows are _______________________at midnight and ______________________at the end of the day. light ____ ____ ____ ____ ____ ____ ____ ____ ____ ____

Light and shadow

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