1) What do you need in order to see? a) Light b) sound c) sun 2) Why is light Important? a) heats our earth b) lights up objects c) Helps plants grow d) all of the above (a,b, & c) 3) What is it called when SOME light can pass through an object? a) transparent b) translucent c) opaque 4) What is it called when ALL light can pass through an object? a) transparent b) translucent c) opaque 5) What is it called when NO light can pass through an object? a) transparent b) translucent c) opaque 6) What makes sound? a) music b) vibrations c) noise 7) What are vibrations? a) waves that move back and forth in the air b) dancing c) music

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