Heat And Temperature Flashcards
0
Q
What is heat measured in?
A
Joules (J)
1
Q
What is the difference between heat and temperature?
A
Heat is the total amount of molecular energy in a substance
Temperature is a numerical measurement of the average heat of a substance
2
Q
What is temperature measured in? (3)
A
Celcius (°C)
Fahrenheit (°F)
Kelvin (°K)
3
Q
What is absolute zero?
A
-273°C
4
Q
What causes expansion and contraction?
What is an exception to this theory?
A
When particles heat up, they move around more, get bigger and expand. When particles cool down, they move around less, get smaller and contract.
EXCEPTION: water expands when cooled
