Motion

refraction reflection motion force gravity mass weight pull sound texture vibrations dissolve friction mixture matter solution condensation evaporation melting freezing opaque conductor insulator

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Across

1. How much matter an object has, doesn't change in new locations.

4. An object will only move unless it is pushed or _________.

5. A combination of two or more substances in which no new substance is formed, very easy to separate.

6. How much gravity is acting on an object.

7. When light rays strike a surface and bounce off them.

11. Sounds is formed by ____________.

12. When a gas turns into a liquid.

13. The reason why a pencil falls to the ground is because of the pull of _______

14. A force that works against motion.

15. When an object changes it's position. An object moving.

16. A material that allows electricity or heat energy to transfer. examples: gold, copper,

17. A push or pull that causes motion.

Down

2. A combination of two or mores substances in which a new substance is formed, very hard to separate.

3. When light rays travel through a substance and the light rays bend.

8. When a liquid turns into a gas.

9. A material that does not allow electricity or heat energy to transfer. examples: rubber, wood, and plastics.

10. A form of energy caused by vibrations.

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