Across
- 2. chemicals added to food to keep it fresh, improve its taste or appearance
- 9. the solid that does not pass through a filter
- 10. liquids that do not mix together but form two separate layers
- 12. a measure of how poisonous a substance is
- 15. elements which are generally hard, shiny and conduct electricity
- 16. the ability of a substance to bend without breaking
- 21. the substance that dissolves in a solvent
- 22. when a substance can dissolve in a solvent
- 24. a measure of how much solute dissolves in a solvent
- 25. a substance made from atoms of different kinds chemically joined together
- 27. liquids that do not mix together but form two separate layers
- 29. the mass per unit of a substance
- 30. the liquid that passes through a filter
- 32. a single substance
- 33. a substance in the gaseous state
Down
- 1. liquids that mix with each other
- 3. separating an insoluble solid from a liquid by pouring off the liquid
- 4. the breaking down of a substance using electricity
- 5. abnormally high level of activity or excitement by a person
- 6. a reaction in which a compound is broken down into simpler substances
- 7. the ability of a substance to be stretched into a wire
- 8. a liquid in which a solute dissolves
- 11. a man-made material which can be shaped or moulded
- 13. how easily a substance catches on fire
- 14. a process in which a solvent is separated from a solute by heating the solution. The solvent boils and then condenses and the solvent is collected
- 17. the ability of a substance to be hammered into shape
- 18. the formation of crystals as a solution cools
- 19. a mixture of a solute dissolved in a solvent
- 20. chemicals added to food to keep it fresh longer
- 23. a substance that does not dissolve in a solvent
- 24. a mixture of insoluble solid particles spread through a liquid
- 26. a factor that can change in an experiment
- 28. more than one substance - contains different types of particles that are not joined together
- 31. unwanted reaction by the body to a chemical