Across
- 2. are vibrations that trnsfer energy from place to place without matter
- 4. are the building blocks that all living things are made up of.
- 5. is the mumber of waves produced by a source each second
- 6. every substance is made up of tiny units of matter.
- 8. is the natural process of dead animal or plant tissue being rotted or broken down.
- 9. is made up of Hydrogen and Oxygen.
- 10. is the study of the universe.
- 11. is the bending of a wave around objects or the spreading after passing through a gap.
- 15. carry negative charge,
- 16. carry poitive charge.
- 17. are the strongest from of radiation.
Down
- 1. is when waves encounter a surface or boundary that does not absorb the light energy and bounces the waves away from the surface
- 3. invented the battery.
- 7. is the study of life and living organisms.
- 12. can be charged with static electricity, but wont allow a flow of electrons through them
- 13. is the study of matter and its interactions with other matter and energy.
- 14. is the study of the Earth, the materials of which it is made of and the structure of those materials.