Which action will result in a product with new chemical properties?
A: popping popcorn

Which mass is undergoing the greatest amount of acceleration?
A: 1 kg subjected to a force of 100 N

Which part of an atom occupies the majority of the volume?
A: electrons

Emily is riding her bicycle. Which best explains why only some of the energy used to pedal her bicycle is transferred into forward motion of the bicycle?
A:
The gears and chain of the bicycle generate friction.