1. WARM-UP 10-14-16 1. What causes substances to change states of matter?
2. What kind of state change occurs when a liquid turns into a solid?
3. What is the state change that causes a liquid to turn into a gas?
4.What happens to the movement of molecules as a gas changes into a liquid? Explain.

2. WARM-UP AND
Describe what is happening to thermal energy and intermolecular forces as ice becomes liquid.
What materials did you get for your cup design? Why do you think these materials will make the best cup?

3. WARM-UP AND
How do atoms behave in a solid, like ice?
How do atoms behave in a liquid, like water?
What type of energy is added to ice to make it turn into a liquid?
What happens to the temperature WHILE ice is actually melting into liquid?

4. WARM-UP 10-21-16 Describe the process of evaporation.
Describe how condensation works.
If I have a bucket of ONLY ICE, and I add heat energy, what happens to the temperature?
If I have a bucket of ICE WATER (ice has started to melt), and I continue to add heat energy, what happens to the temperature?