Across
- 3. word for the type of waves (sound or ocean) that need a medium to go through
- 5. scientific unit for measuring temperature
- 10. This "belt" is in our solar system is made of small rocky fragments
- 12. in a water molecule, this element is slightly negative
- 13. material that allows the flow of electrons to make electricity
- 14. transfer of heat by the rising and falling of water or air
- 16. shape of the "S" shape waves such as light
- 17. this is the coldest biome
- 18. type of energy that includes food, fuel and batteries
- 19. this part of the atom is positive
Down
- 1. force that holds that planets in orbit around the Sun
- 2. variable that "I" the scientist am changing in an experiment
- 3. the "powerhouse" of the cell that makes energy
- 4. the part of the water cycle where gas turns back into liquid and clouds are formed
- 6. Newton's Law of Inertia (what is at rest, stays at rest)
- 7. source of energy that Earth can remake easily (solar, wind, water)
- 8. Newton's second law states that this depends on mass and acceleration
- 9. these planets are rocky, smaller and closer to the Sun
- 11. type of bond between a metal and nonmetal
- 15. found only in plant cells, it's the site of photosynthesis