Answer:
1. A rock sitting on the edge of a cliff. If the rock falls, the potential energy will be converted to kinetic energy, as the rock will be moving.
2. A stretched elastic string in a longbow. When the elastic string is released, it will cause the arrow to shoot forward.
3. A sparkler. The chemical potential energy in a sparkler will be released when the top of the stick is lit.
4. The food we eat. Food contains chemical potential energy – as our bodies digest it, the stored energy is converted into energy for us to move and grow.
5. When we stretch a rubber band, and as soon as the stretched band is set free, it quickly returns to its original shape.
6. When a crane swings a wrecking ball up to a certain height.
7. When a wagon is held at the top of a rollercoaster just before it is allowed to do a free fall.
8. A bullet is fired from the gun.
9. A swimmer that will dive from the diving board.
10. When an archer pulls back the bowstring, and when the bowstring is released, the arrow moves forward very quickly.
Explanation:
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