level: Level 1
Questions and Answers List
level questions: Level 1
| Question | Answer |
|---|---|
| what does air pressure mean | the pressure of the air around us |
| boiling? | change from a liquid to gas |
| condensing? | change from gas to liquid |
| cubic centimeter | unit for measuring volume |
| diffusion | when particles mix together without moving |
| gas | something that does not have a fixed shape or volume and is easy to squash |
| liquid | something that has a fixed volume but not a fixed shape |
| observation | information collected in experiments |
| solid | something that has a fixed shape and volume |
| particle | the tiny pieces that everything is made of |
| vacuum | a complete empty space |