Lab Activity

3. Substances with a pH above 7.
6. The metal that is used to make wires as it is cheap and a good conductor of electricity.
9. A substance that changes color based on the pH of the substance.
13. The process by which viruses multiply.
14. The cellular structure responsible for respiration.
16. Another word for two tectonic plates colliding with one sliding over the other.
18. Multicellular fungi that are poisonous.
19. A mixture of different metals that is usually done to reinforce the individual metals.
20. An eclipse wherein the Earth moves between the Sun and the Moon.
22. A class of elements that are known to be good conductors of heat and electricity.

1. An indicator that is much more specific than litmus.
2. An element that is a metal and has 20 protons.
4. The life process concerned with releasing energy from food.
5. The weak acid that is found in citrus fruits.
7. Specialized plant cells found in the leaves and are responsible for photosynthesis.
8. The name given to identification keys that are split into two questions.
10. Substances with a pH below 7.
11. Sound travels in this form.
12. Also known as the quality of the sound.
15. A compound that contains one calcium atom bonded to one fluorine atom.
17. The process in which gases are cooled and gradually form liquids.
21. A cloud of dust and gas in space.