Science Crossword

5. The process by which a gas is cooled into a liquid
8. A measure of how much matter is in a certain volume.
11. The energy something has related to its temperature
12. A camera which shows you how much infrared radiation something is emitting
14. area The total area of the faces of a solid figure
16. particles which have a negative charge
19. Man's best friend
21. Large marsupial

1. A state of matter where particles are touching, but not in a regular pattern. It also flows to the shape of the container
2. The energy which an object possesses when its moving
3. A type of heat transfer, in which particles are heated, causing them to vibrate. This only happens in solids
4. Flying mammal
6. The process by which a liquid is heated and converted into a gas
7. A type of electromagnetic wave, which transfers heat energy
9. Likes to chase mice
10. A type of heat transfer which creates a current when the particles of hot liquids and gases rise, and the particles of the colder liquids and gases sink. This only happens in liquids and gases
13. The amount of 3-dimensional space an object occupies
15. Has a trunk
17. A type of heat transfer which only happens in gases through waves.
18. A state of matter where particles are packed close together in a regular pattern
20. A state of matter which has no definite shape, but fills the entire container