P1.2.2 - Energy and temperature Flashcards
1
Q
What is temperature?
A
Temperature is a measure of the average kinetic energy of the particles in a substance
2
Q
How much is 273 Kelvin in Celsius?
A
0 degrees
3
Q
How much is 0 Kelvin in Celsius?
A
-273 Celsius
4
Q
What is the energy in a thermal store measured in?
A
It is measured in Joules(J)
5
Q
What happens when you heat things up?
A
Heating can:
- change the energy stored within the system to increase the temperature
- produce a change of state
- make chemical reactions happen
6
Q
What are changes of state an example of?
A
Physical changes
