This is my third energy word map. Friction is when something rubs against something else, and causes friction. Low drag causes less friction, and high drag causes more. If I rubbed my finger against the carpet, I would create more friction than if I rubbed it against glass.
The hardest part was finding a picture that people would actually understand. The one I put on is OK, but a few people still might not be able to understand it. To be BTB, I could have added more explanation to what friction is.
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