NEW
Font size
WorksheetsUnit 4 – Energy + Heat Review
Total questions: 13
Worksheet time: 19mins
If you are burning wood in a fireplace, what energy is NOT in this system: wood, fireplace, environment?
Thermal
Chemical
Nuclear
Sound
If you are burning wood in a fireplace, what type of heat transfer do you receive from JUST the fire?
Conduction
Convection
Radiation
Thermal conductivity
What does it mean when energy is conserved?
The TOTAL energy can change.
You have to reduce your energy usage.
Doesn't mean anything.
The TOTAL energy doesn't change.
If the mass of the button is 23 kg, what is the GPE at Position A? Refer to the Fig. below.
5566 J
6311.2 J
644 J
14168 J
If the mass of the button is 23 kg, what is the KE at Position A? Refer to the Fig. below.
5566 J
11132 J
253 J
2371.6 J
If the mass of the button is 23 kg, what is the GPE at Position B?
322 J
7084 J
3155.6 J
11877.2 J
If the mass of the button is 23 kg and energy is conserved, what is the KE at Position B?
8721.6 J
5566 J
Not enough information
11877.2 J
If the mass of the button is 23 kg, what is the GPE at Position C? Refer to the Fig. below.
8721.6 J
0 J
4958.8 J
11877.2 J
If the mass of the button is 23 kg and energy is conserved, what is the KE at Position C? Refer to the Fig. below.
6311.2 J
0 J
Not enough information
11877.2 J
When we touch objects, we are feeling...
Temperature
Thermal conductivity
None of the above
Why does the metal from your stool feel colder than the wood from the table? Assume same temperature.
Metal conducts heat more efficiently than wood
Wood conducts heat more effectively than metal
Wood is always warmer
Metal is always colder
If you pushed a 5 kg book with a force of 200 N across a distance of 8 m, how much work did you do?
200 J
1000 J
1600 J
8000 J
Which object has MORE thermal energy?
Warm bowl of water
Large acorn
Both have the same amount of thermal energy
None of the above
