Across
- 2. The highest point the medium rises to. (A trough is the lowest point the medium sinks to.)
- 6. The movement of heat by a moving liquid or gas.
- 8. Energy that travels by waves or particles, particularly electromagnetic radiation such as heat or x-rays.
- 9. The passage of energy, particularly electrical or heat, through matter.
- 10. A measure of the amount of matter in an object.
- 13. A longitudinal wave (sound wave) propagated by the elastic compression of the medium.
- 14. The change in direction of a wave at a boundary between two different media, so that the wave moves back into the medium it came from.
- 15. A force that causes a change in the motion of an object.
- 18. A push or pull upon an object resulting from the object’s interaction with another object.
- 19. The quantity of motion of a moving body, measured as a product of its mass and velocity.
- 22. The tendency of a body to maintain its state of rest or uniform motion.
- 24. The displacement if a wave from zero.
- 25. A (chemical) change in which forms new substances.
Down
- 1. The SI derived unit used to measure force.
- 3. A force that attracts any two objects with mass.
- 4. The action or state of being squished down or made smaller or more pressed together.
- 5. The bending of light as it passes from one substance to another.
- 7. Released when bonds form in a chemical reaction, often producing heat as a by-product (exothermic reaction).
- 11. A change in position of an object over time.
- 12. The speed of something in a given direction.
- 16. Measure of how fast velocity is changing, so we can think of it as the change in velocity over time.
- 17. A wave property of electromagnetic radiation that causes the radiation to bend as it passes by an edge or through an aperture.
- 20. The number of events per unit of time where an event is repeating at regularly spaced time intervals.
- 21. The basic SI unit of energy.
- 23. The rate at which someone or something is able to move or operate.