Triple Science Units

B3	C3	P3
		How do forces have a turning effect? What keeps bodies moving in a circle? What provides the centripetal force for planets and satellites? What do mirrors and do to light? What do lenses do to light? What is sound? What is ultrasound and how can it be used? How can electricity be used to make things move? How do generators work? How do transformers work? What is the life history of stars?
Specification	Specification	Specification