Across
- 2. radiant energy that travels in waves at the of light
- 5. energy stored in objects by tension
- 9. electromagnetic energy that travels in transverse waves
- 10. motion of waves, electrons, atoms, and molecules
- 12. is stored energy and the energy of position
- 13. an individual animal, plant,or single-celled life form
- 15. energy stored in the nucleus of an atom
- 16. the transfer of heat energy by electromagnetic radiation
- 18. the transfer of heat enegy from one substance to another or within a substance
- 20. a group of people living in the same place or having a particular characteristic in common
- 21. any organism that can't make it's own food
Down
- 1. all the inhabitants of a particular town, area, or county
- 3. energy that comes from the movement of atoms and molecules in a substance
- 4. energy stored in the bonds of atoms and molecules
- 6. the transfer of heat in a fluid
- 7. all living things present in an ecosystem
- 8. an organism, especially a soil bacterium, fungus, or invertebrate
- 11. green plants that make their own food by taking sunlight and using the energy to make sugar
- 14. the natural home or environment of an animal, plant, or other organism
- 17. all non-living components like physical conditions
- 19. a comfortable or suitable position in life or enployment