How many stars are in a galaxy?
Which best defines an orbit?
What does a lightyear measure
State the name of the imaginary line that the earth spins around.
Starter with the New Moon, put the phases of the moon in order
What are the units of mass?
What is the weight of a 5 kg object on Earth (g = 9.81 m/s²)?
Find the weight of a 2 kg object on Mars (g = 3.72 m/s²).
What happens to the chemical energy store within a fuel as it is used?
A new match has 800J in its chemical energy store. It is lit and allowed to burn.
How much energy has been transferred from the match when one quarter of it has been burned?
The battery in a torch has 20J of chemical energy store when it is full. 5J is transferred from the battery. How much is left?
What energy store is involved when an object heats up or cools down?
Which thermal energy store has changed the most in the following?
Which thermal energy store has changed the most in the following?
Heater A transfers 500 J in 1 s. Heater B transfers 300 J in 1 s. Explain which is more powerful.
What unit do we measure power in?
What happens to the energy transferred if we increases the time a device is switched on for?

What is this piece of apparatus?

Name this piece of apparatus

What is this piece of apparatus?