Across
- 3. When adding a second light bulb, the first bulb became dimmer. What kind of circuit is this?
- 5. Matter is made up of tine particles called...
- 6. Putting ice on a pulled muscle is an example of...
- 7. Which type of wave requires a medium to travel?
- 10. Which wave moves the particles in a medium parallel to the direction in which the waves are traveling?
Down
- 1. How can heat be transferred across empty space?
- 2. Which type of wave moves perpendicular (at right angles) to the direction the wave travels?
- 4. Electricity is the flow of ________, which are negatively charged particles.
- 8. Opening the windows in a hot car is an example of...
- 9. Electromagnetic waves can transfer energy without a...