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Module one
physical changes
| Question | Answer |
|---|---|
| length | how long something is |
| perimeter | the amount of space around an object |
| kinetic energy | moving energy |
| atoms | the substance of all living things |
| contraction | when a substances atoms move closer together and slow down |
| matter | anything that takes up space and has mass and volume |
| length | how long something is |
| solid | any thing that has mass and volume and takes up space |
| liquid | a state of matter that takes up volume |
| refraction | the bending of light |