Font size
WorksheetsReview quiz on energy forms and efficiency
Total questions: 15
Worksheet time: 12mins
Which of these types of energy refer to energy that is stored to be used?
Chemical potential energy
Luminous energy
Electrical energy
Gravitational potential energy
The unit for energy is...
(a)
What is the efficiency of a kettle that has an energy input of 800 J and 600 J is used to heat up water until boiling?
25%
125%
75%
56,7%
What energy source does NOT generate electricity by converting kinetic energy with a generator?
Solar energy
Wind energy
Nuclear energy
Geothermal energy
Which types of power plants gain energy from nuclear potential energy? Multiple answers are possible.
coal fueled power plant
solar panel power plant
geothermal power plant
nuclear power plant
What is your favorite fruit?
While riding a bike, some of the input energy is lost to friction between the gears. In what form of energy is the energy loss?
Nuclear energy
Chemical energy
Thermal energy
Kinetic energy
Which lightbulb is more efficient?
A
B
It's impossible to tell
What is the efficiency of this windmill turbine?
20%
18%
38%
62%
How can the efficiency of this wind mill turbine be increased?
Use oil to reduce friction
Wrap electrical wiring to avoid heat loss
Only turn it on on windy days
Build them higher to catch more wind.
Most energy conversions on earth can be traced back to...
The moon
The sun
Fossil fuels
Which of the following energy sources is considered renewable?
Natural gas
Coal
Wind energy
Nuclear energy
If a solar panel generates 300 J of electrical energy from an input of 1000 J, what is its efficiency?
30%
50%
70%
90%
What type of energy is primarily harnessed by solar panels?
Kinetic energy
Thermal energy
Luminous energy
Mechanical energy
Is Quizizz an effective method of review for you?
Yes
No
