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Twenty First Century Science - Physics B - J259

6个单元

Radiation and waves

What are the risks and benefits of using radiations?
What is climate change and what is the evidence for it?
How do waves behave?
What happens when light and sound meet different materials?

Sustainable energy

How much energy do we use?
How can electricity be generated?

Electric circuits

What is electric charge? (
What determines the current in an electric circuit?
How do series and parallel circuits work?
What determines the rate of energy transfer in a circuit?
What are magnetic fields?
How do electric motors work?
What is the process inside an electric generator?

Explaining motion

What are forces?
How can we describe motion?
What is the connection between forces and motion?
How can we describe motion in terms of energy transfers?

Radioactive materials

What is radioactivity?
How can radioactive materials be used safely?
How can radioactive materials be used to provide energy?

Matter – models and explanations

How does energy transform matter?
How does the particle model explain the effects of heating?
How does the particle model relate to material under stress?
How does the particle model relate to pressure in fluids?
How can scientific models help us understand the Big Bang?

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