What does the Law of Conservation of Energy state?
energy cannot be created or destroyed
15
This type of heat transfer happens through direct contact.
conduction
10
This type of heat transfer happens through molecular motion or currents.
convection
10
This type of heat transfer happens through rays, waves, or particles.
radiation
10
This type of heat transfer happens in liquids & gases.
convection
10
Touching a hot iron is an example of which type of heat transfer?
conduction
10
Sunbathing by the pool is an example of which type of heat transfer?
radiation
10
Warm air circulating in a room is an example of which type of heat transfer?
convection
10
How much electrical energy did this system start with?
900 J
10
Which beaker contains the water with the LEAST kinetic energy?
A
10
Which thermometer shows the temperature that would have the GREATEST kinetic energy?
C
10
What temperature will both substances be when they reach thermal equilibrium in this diagram?
60
15
Which direction will thermal energy flow in this picture?
from object 1 to object 2
10
Based on the Law of Conservation of Energy, if the boy puts in 250 J of energy going up the hill, how much energy will be released on the way down the hill?