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What is energy?
Pytanie 9
Which law states that energy can neither be created nor destroyed - only converted from one form of energy to another?
Pytanie 10
Complete the sentence.
Pytanie 11
Is sound a form of energy?
Pytanie 12
What form of energy has a stretched rubber band?
Pytanie 13
What form of energy has a flying tennis ball?
Pytanie 14
What form of energy has air running out of flat tire?