Across
- 3. nuclear energy comes from the ______ of atoms
- 6. radiation waves used to cook food
- 7. the distance between one peak to another in a wave
- 11. the longest type of electrogmagnetic radiation wave
- 14. the building blocks for all matter
- 15. the neturally charged particles in atoms (check your notes!)
- 17. light, sound, ______, and x-rays are examples of radiation
- 19. the type of radiation that cannot travel through empty space
- 20. the radiation type that comes from space
- 21. when radiation carries a lot of ______ it can be dangerous
- 22. the negatively charged particles in atoms (check your notes!)
Down
- 1. the positively charged particles in atoms (check your notes!)
- 2. a radiation wave type that we think of as heat
- 4. sound travels slower than ______
- 5. the wavelegth that can make pictures of something inside something else. Like bones in the body.
- 8. shockwaves, called seismic waves, travel through the ______ causing the ground to shake
- 9. an example of mechanical radiation
- 10. sound is made by a _______ object
- 11. energy that moves from one place to another
- 12. the wavelength of light that we can see
- 13. wavelegths that have more energy and can be more harmful for the body
- 16. there are different types of radiation: electromagnetic, mechanical, ______, and cosmic
- 18. the shortest type of electromagnetic radiation wave