Area of study 1
Chapter 1: Heat, temperature and internal energy
What is the difference between heat and temperature?
Explaining heat: the kinetic theory of matter
Laws of thermodynamics
Zeroth Law of Thermodynamics
First Law of Thermodynamics
Specific heat capacity
Latent heat and the kinetic particle model of matter
Chapter 2: Energy in transit
Transfer of energy
Convection inside the Earth
Chapter 3: The physics of climate change
Energy in balance
How hot is the Earth?
Fossil fuel’s fingerprints
The Earth’s energy budget
Issues related to thermodynamics
Area of study 2
Chapter 4: Current electricity
Back to basics
Modelling an electric circuit
Measuring electric current
The hydraulic model of current
How rapidly do electrons travel through a conductor?
The conventional point of view
Measuring potential difference or voltage drop
Energy transformed by a circuit
Power delivered by a circuit
Providing energy for the circuit
Ohmic and non-ohmic devices
Heating effects of currents
Power and resistance
Chapter 5: Circuit analysis
What happens in an electric circuit?
Accounting for electrons
Conservation of electrical energy
Series and parallel circuits
Resistors in series
Resistors in parallel
Modelling resistors in parallel
Non-ohmic devices in series and parallel
Power in circuits
The voltage divider
Transducers and sensors
Chapter 6: Using electricity
Electricity in the real world
Household use of electricity
Paying for electricity
A shocking experience
Resistance of the human body
The effect of current
The effect of current path
Time of exposure
In the event of a shock
Safety in household circuits
Fuses and circuit breakers
Residual current device
Area of study 3
Chapter 7: Radioactivity and the nucleus
Natural nuclear radiation
What is nuclear radiation?
Types of nuclear radiation
Discovering the structure of the atom
The stability of nuclei
What holds the nucleus together?
What makes the nucleus change?
Chapter 8: Subatomic particles
The discovery of subatomic particles
Explaining the strong nuclear force
So many particles!
Why a quark model?
Matter and light
Light from atoms
Chapter 9: The origin of atoms
A long story!
Discovering the universe of galaxies
The expansion of space
The Doppler effect
Using the Doppler effect on stars
Einstein and general relativity
Red shift revisited
The big bang
Looking back in time
The early universe
The birth of atoms
Area of study 1
Chapter 10: Analysing movement
Distance and displacement
Speed and velocity
Converting units of speed
Instantaneous speed and velocity — using graphs
Graphing motion: position versus time
Graphing motion: velocity versus time
Displacement from a velocity-versus-time graph
Acceleration from a velocity-versus-time graph
Area under an acceleration-versus-time graph
Graphing motion in a nutshell
Constant acceleration without graphs
Chapter 11: Forces in action
Describing a force
An attraction to the Earth
Friction — what a drag!
For better or worse
Compression and tension
The normal reaction force
Forces in pairs
Newton’s Third Law of Motion
The net force
Adding forces together
Explaining motion: forces in and out of balance
Forces in two dimensions
Newton’s Second Law of Motion
Applying Newton’s second law in real life
Newton’s second law and tension between connected bodies
Using Newton’s second law
Momentum and impulse
Impulse from a graph
Protecting that frail human body
Newton’s second law and seatbelts
Cars that crumple
Torque or turning effect of a force
Equilibrium or keeping still
Strategy for solving problems involving torque
Types of structures: cantilevers
Chapter 12: Mechanical interactions
Impulse and momentum in collisions
Modelling real collisions
The concept of energy
Getting down to work
Gravitational potential energy
Strain potential energy
Conservation of total mechanical energy and efficiency
Area of study 3
Chapter 13: Practical investigations
What is the benefit to you?
What is involved?
Selecting a topic
Turning the topic into a good question
Submitting a research proposal
Keep a log
Selecting your measuring instruments
Making the most of a measurement
Drawing a line of best fit
Using Microsoft Excel
Writing a report
Presenting as a digital poster
Advice on assembling a poster
Area of study 2
Chapter 14: What are stars?
Chapter 15: Is there life beyond our solar system?
Chapter 16: How do forces act on the human body?
Chapter 17: How can AC electricity charge a DC device?
Chapter 18: How do heavy things fly?
Chapter 19: Are fission and fusion viable nuclear energy power sources?
Chapter 20: How is radiation used to maintain human health?
Chapter 21: How do particle accelerators and colliders work?
Chapter 22: How can human vision be enhanced?
Chapter 23: How do instruments make music?
Chapter 24: How can performance in ball games be improved?
Chapter 25: How does the human body use electricity?
Appendix 1: Skill checks
Appendix 2: Periodic table of the elements
Appendix 3: Some useful astronomical data
Answers to numerical questions