energy - the ability to do an action, model - a pretend version of something that scientists use when the real thing is too big, small. or complicated to work with, motion - a change in the position of an object, speed - how fast something is moving, stored energy - energy that is not in use, but is saved inside something, such as batteries or a rubber band, fair test - an experiment where only one thing is changed, and everything else stays the same,

Energizing Everything lesson 1

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