Across
- 1. Physical property of metals that allows them to change shape
- 3. Indication of a gas being produced in a chemical reaction
- 5. When animals release energy by breaking down glucose
- 6. Bleaching hair is a chemical change as indicated by a change in
- 9. Example of wood or paper burning
- 11. Energy is released in a chemical reaction
- 12. Produced by the oxidation of iron
- 13. Example of a physical change to paper
- 15. Bubbles indicate the release of this in a chemical reaction
- 17. Physical changes can usually be "undone"
- 22. Solid formed when lemon juice and milk combine
- 23. Yeast was used to speed up the chemical reaction
- 24. Chemical property of how easy a substance can burn
Down
- 2. Energy is absorbed in a chemical reaction
- 4. When hydrogen peroxide breaks down to water and oxygen
- 7. When plants absorb sunlight to make food
- 8. Chemical changes cannot be "undone"
- 10. Physical change of ice turning to a liquid
- 14. Changes the composition of a substance
- 16. Change that does not change composition
- 18. Physical change of water turning to a gas
- 19. Release of energy in chemical reactions
- 20. Physical property of metals to be drawn into thin wires
- 21. Anything that has mass and volume