Across
- 4. a liquid mixture of hydrocarbons that is present in certain rock strata
- 6. burning something.
- 9. Energy comes from sources that will run out or will not be replenished in our lifetimes
- 10. Energy is the energy that comes from heat
- 11. Energy is the sum of potential energy and kinetic energy.
- 13. Energy is energy stored in the bonds of chemical compounds
Down
- 1. Mining obtain by open-pit mining.
- 2. Energy is the radiant energy released by certain electromagnetic processes.
- 3. accident in a nuclear reactor
- 5. Energy is energy that is caused by moving electric charges.
- 7. Fusion is a nuclear reaction in which two or more atomic nuclei come very close and then collide at a very high speed and join to form a new nucleus
- 8. Energy is generally defined as energy that is collected from resources which are naturally replenished on a human timescale
- 12. Damage chemical burn