Across
- 4. Your teacher.
- 6. One type of circuit.
- 9. We only need small amounts of this food substance.
- 10. The taste of some alkalis.
- 11. Using these can tell you the pH of a substance.
- 15. One type of circuit.
- 18. How much energy is given by a cell to make a current.
- 19. These move through a circuit to make current.
- 21. A solution becomes this when no more particles can dissolve.
- 22. Substance that another substance dissolves into.
- 24. Substance that dissolves into another substance.
- 25. Food substances that provide us with a lot of energy.
- 27. A solution with very few dissolved particles.
- 28. Food substance that is good for building muscle.
- 29. One source of electrical energy.
- 31. This can open or close a circuit.
- 32. Substances that will not dissolve are _________.
Down
- 1. What happens when an acid and an alkali are mixed.
- 2. Unit for measuring the size of currents.
- 3. Problem caused by sulfur dioxide and nitrogen oxides dissolving in rainwater.
- 5. A substance with pH of 7.0.
- 7. Unit used for measuring energy from food.
- 8. Eating a variety of foods in the right amounts.
- 12. A slippery alkali.
- 13. This gas makes normal rain slightly acidic.
- 14. Breaking down food substances into smaller and simpler forms.
- 16. Substances that cannot conduct electricity well.
- 17. Food substance that has no energy value.
- 20. A product of neutralization.
- 22. A product of neutralization.
- 23. When current passes through a conductor, some of the energy is changed to this type of energy.
- 26. Part of the digestive system.
- 30. An acidic fruit.