-Watch the video-
1. Most matter can be found in three states:_____, ______, and ___.
2. The law of conservation of energy states that matter can never be _______ or _________.
3. All matter is comprised of _______.
4. The universe is made up of _______ and ________.
5. Give an example of a physical change; what makes it a physical change?
6. If you were the video's scientific creator, what would you add to show "states of matter"? How would you explain it? What models would you use?
B.
-Play the interactive game-
1. Describe the arrangement and movement of the particles as you change from a solid to a liquid to a gas.
2. Describe the arrangement and movement of the particles as you change from a gas to a liquid to a solid.
3. Pick 2 phase transitions and make a sketch of them. Describe whether energy is lost or gained in this transition.
C.
-Play the interactive game-
1. What happens to the liquid when you heat it?
2. Does the gas stay in one beaker? Where does it go? Why does this happen? (Think: Energy)
3. Cool down the gas. What happens (Use your science vocabulary)? Why does the liquid appear in both beakers?
4. Heat the liquid again. What happens to the gases when you remove the lids? Why does this happen?
5. Describe the motion of the atoms in each beaker.
6. Sort the 9 items into their correct Phase of Matter; make a list in your notebook.
7. Take the Quiz; write the answers into your notebook.
D.
Watch the How Stuff Works Videos States of Matter Changes in State
1. What happens to the molecules of liquid water when it boils?
2. Explain the difference between boiling and evaporation.
3. What is the boiling point of water in 'F/'C?
4. What is the melting point of rock? What is the melting point of water?
5. What happens to water molecules when they freeze into a solid?
6. At the 2:00 mark, estimate the volume of the liquid in the beaker, don’t forget units!
