Across
- 3. conservation of energy- energy can be created nor destroyed
- 4. heating system device that absorbs radiant energy from the sun
- 7. in the form of motion
- 8. energy- energy stored by things that stretch or twist
- 9. of energy needed to raise the temperature
- 10. energy- that flows from a warmer material to a cooler material
- 11. unit of energy
- 12. engine- a type of heat engine that burns
- 14. energy form the sun that is free,renewable,and can be used to heat homes an buildings
- 15. energy of motion
Down
- 1. of energy by the motion of heated particles
- 2. device that removes thermal energy from one place and transfer it to another place at a different temperature
- 5. that converts thermal energy produced by combustion into mechanical energy
- 6. energy- energy stored in chemical bonds
- 13. that doesn't allow electrons to move through it easily