Science

4. The unit used to measure electric current.
5. To push or pull to create a force.
7. The amount of matter in an object measured in kilogram.
8. When a substance, often a solid mix with a liquid and becomes part of the liquid.
13. The unit used to measure weight
14. A method to separate mixtures made of a solid and liquid using a filter.
16. A source of electrical energy that consists of more than one cell.
18. Can be changed back to what it was.
19. A mixture of 1 substance in another.
20. The amount of force that pulls objects to wards the Earth.

1. Measure of mass equate to 1000g.
2. The material that is dissolved.
3. The force cause by air pushing against moving objects.
6. The liquid in which a solute dissolve
9. To put a substance, such as oil, on a surface in order to reduce friction.
10. Another name for air resistance.
11. It can make things more and cause things to change.
12. To decide something is true after looking at all the evidence.
15. Cannot be changed back to
17. When substances are mixed together and change chemically to form a new substance.