In this demonstration students predict which kettle boils first. You can use it to illustrate that power is the rate at which...

Classroom Activity 14-16

In this activity, students explore how high a ping pong ball bounces when dropped by itself and then with a golf ball. You can...

Classroom Activity 14-16 16-19

Show that if hot water is below cold water, they mix, but if the situation is reversed they do not. Students can use their...

Classroom Activity 11-14