Across
- 4. the amount of space that occupies an object.
- 6. Energy: the form of energy that has no motion.
- 8. small particles of matter.
- 9. Energy: the form of energy due to its motion.
- 11. Energy: from the sun that can be converted to thermal energy.
- 12. a material which a wave travels
- 13. the sum of forces on an object
- 14. highness or lowness of a sound/wavelength.
- 15. a metallic element with an atomic number of 39.
- 17. of Energy: stating that energy can not be created nor be destroyed
Down
- 1. basic unit for energy and work.
- 2. an element on the periodic table that has 7 electrons and is in group 17
- 3. the bending of waves. the cause is its change in speed.
- 5. Force: an object that has a change in motion.
- 7. non-element on the periodic table with an atomic number of 6
- 10. electromagnetic waves that are used for medical reasons.
- 16. wave: a wave where the medium moves to the right