Book description
CONTENTS:
1. Physical Processes
Turning forces
Work and power
Under pressure
Electromagnetism
Weather science
Light
2. Life and Living Processes
Variation
Leaves and photosynthesis
Passing on energy
The carbon and nitrogen cycles
Respiration
Breathing
3. Material and Their Properties
Chemical energy
Atoms, ions and molecules
The Periodic Table of the elements
Reactivity of metals
Rates of reaction
The rock cycle
