Chapter 2- Energy Transfer By Heating Flashcards
1
Q
Why are metals good conductors?
A
Free electrons
2
Q
How does heat travel through solids?
A
With conduction
3
Q
Define absorb
A
To completely take in
4
Q
Define emit
A
To completely give out
5
Q
Define reflect
A
To bounce off neither absorb nor emit
6
Q
Black insulates better than…
A
White
7
Q
A good absorber-
A
A good emitter
8
Q
A perfect black is..
A
Emits the same as it absorbs
9
Q
Specific heat capacity equation-
A
Change in thermal energy (J)= mass(kg) * specific heat capacity (J/kg/c•) * temperature change (c)
10
Q
Specific heat capacity is
A
The measure of how much thermal conductivity is required to heat up to a specific temp
11
Q
Describe a specific heat capacity practical 1
A
How much water heats up in 600 secs. Two holes, 1 with heater and other with water and Thermometer in other.
