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Natural Sciences · Intermediate
Energy
Energy is the universe's bookkeeping. Learn what work really means, how motion and height store energy, why a skater always returns to the same height, where the energy goes when things stop, how springs store energy, and how your own body converts food into motion and heat.
8 lessons~50 min0/8 complete
Start courseHelpful background: Forces & Newton’s Laws
1
Work and Energy
Pushing things around, and what that buys you.
2
Conservation
Energy changes form, but the total never changes.
3
Energy in Practice
Springs and people.