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What is frequency and how is it measured?
What is Specific Heat Capacity?
What is conduction?
Where does conduction occur?
What is convection?
Where does convection occur?
How does insulation stop convection from occurring?
How do you measure Speed, Time & Distance?
Wave Speed, Frequency, Wavelength Calculation
What is the Amplitude?
What measurements are Wave Speed, Frequency and Wavelength given in?
What is the similarity between the Angle of Incidence and Angle of Reflection?
What is TIR?
When does refraction occur?
What is the Critical Angle?
What is the effect of diffraction when a wave passes through different sized gaps?
What is the difference between Heat and Temperature?
What will cool faster? A warm cup of tea or a hot cup of tea? Why?
What is radiation?
How is radiation different to conduction and convection?
What type of substance is the only way radiation can travel?
What colour is the best at emitting and absorbing radiation?
What colour is the worst at emitting and absorbing radiation?
What is the difference between digital and analogue signals?
What is the advantage of a digital signal?
What is interference?
What does a thermogram show?
Why is a thermogram useful when installing insulation in the home?
How do light signals travel through optical fibres?
What are the different types of seismic waves?
Are P-waves Longitudinal or Transverse?
Are S-waves Longitudinal or Transverse?
What is meant by longitudinal?
What is meant by Transverse?
What do P-waves travel through?
What do S-waves only travel through?
Which is faster, P or S waves?
What causes refraction?
Name 3 uses of lasers.
What does LASER stand for?
What does monochromatic mean?
What is meant by a laser being coherent?
How do CDs work?
How do Microwaves and Infrared Radiation cook food?
Why do microwave receivers have to be in the line-of-sight of the transmitter?
What may interrupt microwave signals?
What are some uses of microwaves?
Name 3 ways you could modify a house to prevent heat loss.
Do all electromagnetic waves travel at the same speed in a vacuum?
Name the seven types of electromagnetic wave that make up the spectrum (in ascending order of frequency).
Why are people worried about microwaves?
What problems can exposure to UV rays cause?
What are CFCs doing to the Ozone layer? What are the effects of this?
