Different Forms of Energy
Energy Transformation
Renewable Energy
Fossil Fuels
100
Kinetic energy is produced by:
a) sound
b) the sun
c) movement
Kinetic energy is produced by:
c) movement
100
True or False, correct if false:
Energy cannot be created or destroyed, it can only be changed or transformed.
True.
100
What is renewable energy?
Renewable energy comes from energy sources that do not run out.
100
Are fossil fuels renewable or non-renewable forms of energy?
Fossil fuels come from energy sources that are non-renewable.
200
Chemical energy is released when a ________ reaction takes place.
a) mechanical
b) kinetic
c) chemical
Chemical energy is released when a chemical reaction takes place.
200
Thermal energy is referring to which of these:
a) a rise in temperature or hotter temperatures
b) a fall in temperature or colder temperatures
c) no change in temperature
Thermal energy is referring to...
a) a rise in temperature or hotter temperatures
200
What type of energy is being collected here?
Solar energy is being collected here.
200
True or False, correct if false:
Fossil fuels are not harmful to the environment.
False.
Fossil fuels are harmful to the environment.
300
What type of energy is this?
It is sound.
300
A toaster transforms electrical energy into...
a) potential energy
b) thermal energy
c) kinetic energy
A toaster transforms electrical energy into...
b) thermal energy
300
List three of the five forms of renewable energy we discussed.
Examples of renewable energy are biomass, geothermal energy, hydropower, solar energy, and mechanical energy from the wind.
300
Name two examples of fossil fuels.
Coal, oil, and natural gas are examples of fossil fuels.
400
Electrical energy is used to power machines we use everyday. Name three machines that use electrical energy.
Students' answer.
400
When you jump off of a diving board, potential energy is transformed into ______________ because of the pull of gravity.
When you jump off of a diving board, potential energy is transformed into kinetic energy because of the pull of gravity.
400
What are these? What natural resource are they getting energy from?
They are wind turbines. They produce mechanical energy from the wind.
400
Name three ways fossil fuels and non-renewable energy sources are bad for the environment.
They can cause air pollution, oil spills, and radioactive waste that can cause cancer.
500
Match the form of energy with its definition:
1. Light energy
2. Potential energy
3. Mechanical energy
a. The sum of potential and kinetic energy that is used to do work.
b. Produced by the sun and it is very important for the biosphere.
c. Stored in objects, when it is released, it can do work.
1. Light energy - b. Produced by the sun and it is very important for the biosphere.
2. Potential energy - c. Stored in objects, when it is released, it can do work.
3. Mechanical energy - a. The sum of potential and kinetic energy that is used to do work.
500
When wood burns, chemical energy is transformed into what two things?
Chemical energy is transformed into light and thermal energy.
500
What type of renewable energy is this? How can it be harmful to the environment?
It is hydropower. It doesn't pollute, but it can be harmful to the habitat of fish and other aquatic animals.
500
What is this place called? What happens to uranium here?
It's a nuclear power station. Here, uranium is transformed from chemical energy into electrical energy.