Forces and Motion

Big Ideas: More info...

Objects interact with each other (by contact or at a distance) - giving rise to pairs of forces.
A force acting on an object causes its velocity to change; without a net force, its velocity is constant.

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Convection currents

The purpose of this activity is to provide a clear demonstration of convection currents.

Classroom Activity 11-14

The purpose of this demonstration is to show the build-up of convection currents of warm air in a room.

Classroom Activity 11-14