Explain the condition needed for something to keep at a constant temperature

Explain how an electric current is induced by a magnet and wire

Explain how to measure the focal length of a lens

Describe what happens to all waves at a boundary between different materials

Recall what ionising radiations are emitted by

Describe the term redshift

Describe the terms current and voltage

Describe what all waves do and do not transfer

Describe the dangers of microwave, infra-red and ultraviolet radiation

State the people discovered IR and UV and describe their experiment

Recall the shared properties of all EM waves

Explain why waves refract at a boundary between different materials

State the evidence that supports the big bang theory

Explain why some telescopes are located outside the earths atmosphere

Describe the three advantages of modern telescopes

Explain how a main sequence star is formed from a nebula

State what causes the motion of tectonic plates

Describe the terms ultrasound and infrasound

Explain why step-up transformers are used in the transmission of electricity

Describe how to calculate payback times

List the waves of the electromagnetic spectrum in order of increasing frequency/decreasing wavelength

Explain why the Big Bang theory is more accepted then the steady state theory

Describe law of conservation of energy

Explain how data from seismometers can be used to identify the location of an earthquake

Explain how earthquakes are caused at plate boundaries

Describe the term Power and state its units

State how scientists use waves to find out information about our Universe

Define the term amplitude

Define the term wavelength

Define the term frequency

Describe the differences between longitudinal and transverse waves

Identify sound, electromagnetic and seismic waves as transverse or longitudinal.

State the order of the visible spectrum

Describe some uses of radiowaves

Describe some uses of microwaves

Describe some uses of infrared

Describe some uses of visible light

Describe some uses of ultraviolet

Describe some uses of x-rays

Describe some uses of gamma rays

State ionising radiation from the nucleus of an atom

State the name of the galaxy that the Solar System is part of

Define a galaxy

Define the Universe

Describe the methods used to gather evidence for life beyond Earth

Explain what is meant by the CMBR (cosmic microwave background radiation)

Explain why the red-shift of galaxies provides evidence for the Universe expanding

Describe some uses of ultrasound

Describe uses of infrasound

State two ways that seismic waves are generated

Explain why scientists find it difficult to predict earthquakes and tsunami waves even with available data.

Describe the factors that affect the size of an induced current

State the main forms of energy