Product Description
Video and lesson investigations on the topics of flying and forces, push and pull. Key concepts include:
- Making simple flying machines is not difficult.
- The use of propellers is one way of making a machine fly.
- The blades of the propeller can act as sails in the air.
- They can also push or pull air along.
- Propellers can act in different ways.
- They can ‘propel’ air (and water).
- They can be turned by the movement of air, and also by moving through air.
- Flying machines have to ‘take-off’ or be ‘launched’ into the air. There are different ways of launching a flying machine.
- Propellers are a source of both pushing and pulling. They can push a boat through the water and pull and aeroplane or helicopter through the air.
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