z How is energy used and changed in the physical world? z Is time travel possible? z Why is the sky blue?
z How can modern physics help to make a sustainable planet Earth? In Physical World you will learn about: Chapter 15 Physical quantities that can be measured and how to measure them.
Chapter 16 Energy – what it is, its different forms and how it is used and transferred through different processes.
Chapter 17 Types of motion and how forces can affect objects. Chapter 18 Magnetism and electricity – causes, effects and uses.
Chapter 19 How light, sound and heat affect how we see, hear and feel in the physical world.
Chapter 20 How new discoveries and technologies in the physical world have changed science, the environment and society.
