P1 - Heat and energy Flashcards
1
Q
Factors that affect rate of conduction
A
Material
State of material
Surface area
Temperature difference
2
Q
What does radiation depend on
A
Surface colour and texture
3
Q
Experiments to demonstrate what radiation depends on
A
Leslie’s cube
-Matt black emits most heat
Melting wax trick
-ball drops first
4
Q
When does rate of evaporation increase
A
Temperature is higher
Surface area is larger
Airflow over the liquid is greater
5
Q
Density
A
Mass/volume
6
Q
Nine types of energy
A
Electrical Light Sound Kinetic Nuclear Thermal Gp Elastic potential Chemical