Across
- 6. A substance made from two or more elements joined together.
- 10. The smallest part of an element.
- 11. Letters and numbers that show the parts of a substance.
- 12. A feature of a substance that can be observed without changing it.
- 13. Matter that takes the shape of its container.
- 14. Anything that has mass and takes up space.
- 16. Facts or observations used to support an idea.
- 17. A change where no new substance is made.
- 21. Matter with a fixed shape and size.
- 23. How thick or runny a liquid is.
- 24. substance Matter made of only one type of particle.
- 25. A short form used to represent an element.
- 27. A substance with a low pH that can react with metals.
- 28. A pure substance made of one kind of atom.
Down
- 1. The slow wearing away of metal by chemical reactions.
- 2. Two or more atoms joined together.
- 3. An element that does not have metal properties.
- 4. chemical reaction where a substance reacts with oxygen and releases energy
- 5. A substance that changes colour to show pH.
- 7. An element that is shiny and conducts heat and electricity.
- 8. The ability to carry electricity or heat.
- 9. A starting substance in a chemical reaction.
- 12. Chemical ____________ :How a substance behaves during a chemical change.
- 15. scale A scale that measures how acidic or basic something is.
- 18. The substance that does the dissolving.
- 19. Matter that spreads out to fill a space.
- 20. The amount of matter in an object.
- 22. A mixture where one substance dissolves in another.
- 25. The substance that dissolves.
- 26. A substance with a high pH.