Physics Key Stage 3

Contents

Energy

Energy Stores

• Thermal Energy Store
• Elastic Potential Energy Store
• Chemical Potential Energy Store
• Kinetic Energy Store
• Magnetic Potential Energy Store
• Electrostatic Potential Energy Store
• Nuclear Potential Energy Store
• Gravitational Potential Energy Store

Energy Transfers

• Mechanical
• Electrical Energy Transfer
• Energy Transfer by Radiation
• Energy Transfer by Heating

Fuel Uses and Costs

Energy in Food

• Joule
• Calorie

Power Ratings of Appliances

• Energy Usage of Appliances
• Joule
• Kilowatt-hour

Electrical Bill

Energy Resources

• Fuel
• Non-renewable Energy Resource
  • Coal
  • Crude Oil
  • Natural Gas
  • Nuclear Fuel
• Renewable Energy Resource
  • Biofuel
  • Geothermal
  • Hydroelectric
  • Solar
  • Tidal
  • Wave
  • Wind

Energy Changes and Transfers

Work Done

• Force Multiplier
• Distance Multiplier

Heating

• Thermal Equilibrium
• Conduction
• Convection
• Radiation
• Thermal Conductor
• Thermal Insulator

Real World Energy Transfers

• Accelerating Car
• Falling
• Electrical Circuits
• Springs
• Power Stations

(other energy transfers; accelerating, falling, circuits, springs, burning)

Changes is Systems

Conservation of Energy

The Causes of Energy Transfers

• Accelerating Car
• Falling
• Electrical Circuits
• Springs
• Power Stations

Motion and Forces

Describing Motion

• Speed=Distance/Time
• Distance-Time Graphs
• Relative Motion

Forces

Describing Forces

• Force Arrows
• Balanced Forces
• Unbalanced Forces
  • Resultant Force
• Newtons

Effects of a Force

• Acceleration
• Turning
• Deformation
  • Hooke's Law
  • Work Done Changing a Shape

Types of Force

Contact Forces

• Friction
• Drag
  • Air Resistance
  • Water Resistance

Non-contact Forces

• Magnetism
• Electrostatic
• Gravity
  • Weight

Pressure in Fluids

• Pressure
• Gas Pressure
• Atmospheric Pressure
• Upthrust
• Hydraulic Systems

Balanced Forces

• Force Equilibrium
• Opposing Forces on a Spring

Moments

• Levers

Waves

Observed Waves

Mechanical Waves

Wave Properties

• Frequency
  • Hertz
• Wavelength
• Wave Speed
• Reflection
• Refraction
• Superposition
• Transverse
• Longitudinal

Sound Waves

• Sound
• Absorption
• Medium - speed in different media
• Vibration
• Speaker
• Microphone
• Hearing

Energy and Waves

• Pressure Waves
• Ultrasound

Light Waves

• Medium
• Absorption
• Diffuse Reflection
• Specular Reflection
• Colour
  • Prism
  • Colour Filter
• Ray Diagram
• Mirror
• Pinhole Camera
• Refraction
• Convex Lens
• Eye
• Photochemical Change
• Photoelectrical Change

Electricity and Electromagnetism

Current Electricity

Electrical Current

• Ammeter
• Amp

Potential Difference

• Voltmeter
• Volts

Resistance

• Conductor
• Insulator
• Ohm

Circuit

• Circuit Components
• Series Circuit
• Parallel Circuit

Static Electricity

• Charge
• Electrons
• Electrostatic Field
• Electrostatic Induction

Magnetism

Magnetic and Non-magnetic Materials

Magnets

• Poles
• Magnetic Field
• Compass
• Earth's Magnetic Field
• Electromagnets
• D.C. Motor

Matter

Physical Changes

Particle Model

• Particle
  • Atom
  • Molecule
• Solid
• Liquid
• Gas
  • Brownian Motion
• Density

State Changes

• Melting
• Freezing
• Evaporating
• Condensing
• Subliming
• Depositing
  • Ice-Water Anomaly

• Dissolving

Energy in Matter

• Temperature and the Motion of Particles
• Internal Energy

Space Physics

• Gravity
  • Weight
• Gravitational Field Strength
• Gravity and the Planets
  • Newton's Universal Theory of Gravitation

The Solar System

• Sun
• Planet
• Dwarf Planet
• Moon
• Earth
• Seasons
• Year
• Day

Beyond the Solar System

• Stars
• Galaxy
• Universe
• Light Year