1) Sound and light are both forms of energy that travel in what? a) mountains b) waves c) trees 2) Which must have a medium to travel through? a) sound b) light 3) Which travels faster? a) sound b) light 4) What is pitch? a) how high or low a sound is b) different waves c) a type of flower 5) What is a high pitch sound? a) adult yelling b) baby screeching 6) What is different depending on the pitch? a) length of sound wave b) nothing c) light comes in your ear

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