Topic Summaries
Seeing colour
Energy and power
Renewable energy and efficiency
Charge, current, and electric fields
Potential difference and resistors
Electricity
Volume and gases
States of matter and heat capacity
Radiation
Nuclear fusion and fission
Forces
Velocity and acceleration
Gravity and Newton's Laws
Moments and elastic potential
Stopping, braking, and momentum
Properties of waves
Electromagnetic waves
Refraction and lenses
Light, colour, and ray diagrams
Absorbing and emitting infrared radiation
Magnetic fields
Motor effect, generator effect, and transformers
Science skills: Experimental procedures
Science skills: Presenting and using data
Science skills: Measuring results
Energy and power
Renewable energy and efficiency
Charge, current, and electric fields
Potential difference and resistors
Electricity
Volume and gases
States of matter and heat capacity
Radiation
Nuclear fusion and fission
Forces
Velocity and acceleration
Gravity and Newton's Laws
Moments and elastic potential
Stopping, braking, and momentum
Properties of waves
Electromagnetic waves
Refraction and lenses
Light, colour, and ray diagrams
Absorbing and emitting infrared radiation
Magnetic fields
Motor effect, generator effect, and transformers
Science skills: Experimental procedures
Science skills: Presenting and using data
Science skills: Measuring results
- Light can be split into a spectrum by using a glass prism. This is because each wavelength of light refracts differently in the prism.
- Opaque materials are ones that won’t allow visible light to pass through.
- Certain wavelengths of light will be reflected while the rest will be absorbed. The material will appear to be a colour corresponding to the reflected wavelengths.
- White materials will reflect all wavelengths of visible light while black materials will absorb all wavelengths.
- Colour filters are transparent materials that only allow certain wavelengths of visible light to pass through. The other wavelengths are absorbed. They are used to isolate certain colours in light.
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