P1a-Heating Houses Flashcards
1
Q
What is temperature?
A
Measure of hotness
Measure of the average kinetic energy of particles
2
Q
What is heat?
A
A measure of energy
Measured in Joules
3
Q
What colours are the hottest parts of the thermogram represented by?
A
White
Yellow
Red
4
Q
What colours represent the coldest parts of the thermogram?
A
Black
Dark blue
Purple
5
Q
What does the energy needed to change the temperature of a body depend on?
A
Mass
The material from which it is made
The temperature change
6
Q
Why doesn’t temperature change when materials are boiling/freezing?
A
Energy is being transferred
This energy is used to break intermolecular bonds not raising. Temperature
7
Q
What specific latent heat?
A
The energy needed to change state
8
Q
What is specific heat capacity?
A
It tells you how much energy stuff can store
