Year 9 Science · Unit 3 · Lesson 5
Foundation Worksheet
Learning Goals
Fill the gap
Choose the correct word from the word bank to complete each sentence. Two words will not be used.
A ball rolling down a hill has energy because it is moving. The higher the ball starts, the more potential energy it stored. When you stretch a rubber band, you store potential energy in it. Releasing the band converts this energy into energy as the band moves. The warmth you feel from a hot cup of tea comes from energy, the internal kinetic energy of its particles. Food, batteries, and fossil fuels all store energy in the bonds between atoms. A lightning bolt releases energy as moving charges travel between clouds and the ground. The Sun emits energy as electromagnetic waves we can see.
Odd one out
Circle the item that does not belong in each group. Then explain why it doesn't fit in the answer column.
| # | Group | Your answer (odd one + reason) |
|---|---|---|
| 1 | Running athlete Rolling thunder Wind turbine blade Stored spring | |
| 2 | Food Fossil fuel Battery Sunlight | |
| 3 | Uranium nucleus Nuclear fission Radioactive decay Burning coal |
1. A boomerang is thrown through the air and spins as it flies. Name two forms of energy the boomerang has while in flight. Give a reason for each.
2. Explain why chemical energy and electrical energy are both considered forms of energy even though they seem very different.
Wrap Up
In one sentence, what was the main idea of this lesson?