States of Matter WebQuest

Name __________________________________________________ Date __________________

· Type in “states of matter”

· Click on Chem4kids.com:Matter:States

· Answer the questions below:

1. When do elements and compounds move from one phase to another?

2. What happens to matter as the temperature rises?

3. What are the two ways you can add energy?

4. Draw the stair-step diagram including where you add energy.

· Go back to the top of the page and click on the solids link on the right side of the page.

· Answer the questions below:

5. Describe what the molecules of a solid look like.

6. What are rocks?

7. Explain why ground-up solids are still solids even though they fill the container.

8. What are the two ways that atoms and electrons in a solid can move?

9. What is a great example of a crystal lattice?

· Go back to the top of the page and click on the phase changes link on the right side of the page.

· Answer the questions below:

10. What do we use to measure when a liquid turns to a solid?

11. What type of pressure makes it easier to freeze?

12. How do most solids react to cold?

13. What is the melting point?

14. What is the melting point of salt or sugar?

15. Do you add energy when going from a gas to a liquid?

16. What is the easiest way to add energy to a system?

17. What is the boiling point?

18. Complete the diagram:

· Go back to the top of the page and click on the liquids link on the right side of the page.

· Answer the questions below:

19. What forces liquids to fill a container from the bottom?

20. How do you compress something?

21. Can you compress a liquid?

22. What other phase is tough to compress?

23. Explain why it is difficult to compress a liquid.

24. What is a practical use for compressing liquids?

· Go back to the top of the page and click on the gases link on the right side of the page.

· Answer the questions below:

25. What are gases?

26. Do gases have high or low energy?

27. What is a physical characteristic of gases?

28. What is vapor?

· Go back to the top of the page and click on the plasmas link on the right side of the page.

· Answer the questions below:

29. What are the atoms of plasmas made of?

30. When do plasmas occur on Earth?

31. Give examples of three more plasmas.