• Click “States”

• Click “Solid”

1. How are the particles moving?

• 1. Vibrating but not moving around

• 1. Sliding past one another

• 1. Bouncing off each other

Describe how the particles are arranged:

• Close together moving around

• 1. Packed tightly together

• 1. Completely spread out

Describe the motion and arrangement of particles in a solid.

• Click “Liquid”

1. How are the particles moving?

• 1. Vibrating but not moving around

• 1. Sliding past one another

• 1. Bouncing off each other

1. Describe how the particles are arranged:

• Close together moving around

• 1. Packed tightly together

• 1. Completely spread out

Describe the motion and arrangement of particles in a liquid.

• Click “Gas”

1. How are the particles moving? 

• Vibrating but not moving around

• 1. Sliding past one another

• 1. Bouncing off each other

1. Describe how the particles are arranged:

• 1. Close together moving around

• 1. Packed tightly together

• Completely spread out

Describe the motion and arrangement of particles in a gas.

• Click “Solid”

• Grab the bar where it says heat and hold it for 5 seconds. CLICK PAUSE.

1. What happened to the particles? They started: 

• 1. Vibrating but not moving around 

• 1. Sliding past one another

• 1. 1. Bouncing off each other