D and T
Using knowledge and understanding of scientific facts and principles to help in the design and making of a product.
1. A motor is an electrical device (component) which produces motion of an axle (rotation) when electricity flows in it. The speed of a motor can be varied by using a length of wire in series with it. A motor can be reversed if the connetcions to the battery are swapped over (+ and -).
Design a range of products which use an electric motor.
2. Materials can be divided into two groups according to how they behave when incorporated into a simple electrical circuit. We call them conductors and insulators.
Design a range of switches using common materials.
3. Transparent , translucent and opaque materials.
Use your knowledge of these types of material to design a shadow theatre (additional design criteria....).
4. The air is a real material. It is a gas.
How can we prove that air is real and that it is all around us?
How can air be used to make something move and to power a vehicle?