What are the frequencies for ULTRASOUND?
What happens to the ultrasound when it meets a boundary?
In what ways is ultrasound useful?
Ultrasound can be used to work out a distance- what formula is used?
What is infrasound?
What animals communicates using infrasound?
What natural occurrence produces infrasound?
What are the three parts of the earth called?
Which part do we live in?
The crust is cracked into large pieces called what?....
What causes the tectonic plates to move?
How are earthquakes detected?
What are the TWO different types of seismic waves
P waves are longitudinal, what are S waves?
Which travel faster,
P waves OR S waves??
What is current?
What is voltage?
What is the units of power?
If there is higher power in a circuit, will there be more or less energy?
What equipment measures the current?
What does the voltmeter measure?
What equation is used to work out the power?
How can you create a current?
If you change direction of the magnet moving inside the coil of wire, what happens to the current?
If you want a BIGGER current, what do you need to increase...?
What does a.c and d.c mean?
What are the TWO TYPES of energy resources?
What do most power stations use to drive a turbine?
What are the environmental problems with using non renewable resources?
Why is is better to use renewable resources?
Name some methods of producing energy that use renewable resources
What is biomass?
What is the national grid?
What do transformers do?
What are the problems with transmitting huge amounts of energy?
What is energy measured in?
Complete the sentence...
Energy can never be created or...?
Name the 6 types of energy
A car takes in petrol (chemical energy) and what is given out?
Think 'vroom vroom'
If the total energy supplied by a light bulb is 170 J, and the useful energy is 45 J, how much energy has been wasted?
If a device is more efficient, is more or less energy wasted?
What is thermal energy transferred by?
What does radiation depend on?