States of Matter Phet

Click on the States button. Use the menu on the right to select WATER and SOLID. Draw what you see in the space below

Describe what you see in the simulation.

Now, use the slider on the bottom of the program to Add Heat. Notice the thermometer at the top of the program. What temperature scale is this thermometer showing?

What happens to the water as you increase the temperature?

Draw and what water looks like as a liquid.

Describe what water looks like as a liquid.

Draw and what water looks like as a gas.

Describe what water looks like as a gas.

Choose one of the other three substances listed in the menu on the right. Investigate what happens when you add and remove heat from this substance. Use the buttons on the right to see this substance as a solid, liquid, and gas. Draw what you see in the table below.

Write one sentence for each state of your chosen substance describing how the atoms are behaving. You should have a total of three sentences