Across
- 3. the component of an electric circuit
- 6. mixture a mixture in which the different components cannot be distinguished.
- 8. mixture a mixture in which the different components can be distinguished.
- 12. substance a type of matter which contains only one type of
- 14. the force of attraction exerted by magnets.
- 17. the component of an electric circuit which transforms electricity into another type of energy.
- 19. reactions these happen when atoms react and group together differently.
- 20. a method used to separate solids from liquids in homogeneous mixtures.
- 22. charges to move.
- 23. a material which does not allow
- 25. a method used to separate liquids that have different boiling points in
- 27. another word
Down
- 1. a type of matter which contains two or more pure substances.
- 2. mixtures.
- 4. provides the electricity.
- 5. a chemical reaction that happens when objects or substances are burned.
- 7. a chemical reaction that happens in some living things, such as yeast and bacteria.
- 9. a chemical reaction that happens when some metal substances such as iron combine with oxygen in the presence of water.
- 10. a method used to separate substances of different density in heterogeneous mixtures.
- 11. an object which can attract other objects made of iron and other magnetic metals,
- 13. a closed path through which electricity flows.
- 15. a homogeneous mixture.
- 16. a material which allows electrical charges to move.
- 18. current the flow of electrical charges through materials.
- 21. a method used to separate solids from liquids, or solids with different size particles, in heterogeneous mixtures.
- 24. a device with a magnetic needle that always points north. We use it to orient
- 26. a connecting wire, usually made of copper,wrapped in plastic covering.