Energy Basics
What is energy from the movement of objects called?
Kinetic energy
What type of energy is stored in food?
Chemical energy
Which of the following is non-renewable: solar, wind, coal, hydropower?
Coal
What type of energy depends on height and mass?
Potential energy
What type of energy transformation occurs in a solar panel?
Light → Electrical
Which energy source relies on splitting atoms?
Nuclear
What happens to potential energy as a roller coaster goes downhill?
Decreases
At the bottom of a pendulum swing, which energy is highest?
Kinetic
Why are fossil fuels considered non-renewable?
They take millions of years to form
Which device converts mechanical energy into electrical energy?
Dynamo
Give one example of kinetic energy and one of potential energy.
Example: moving car (kinetic), book on a shelf (potential)
List three disadvantages of using coal for energy.
Pollution, greenhouse gases, habitat destruction
In a falling ball, what type of energy increases as it falls?
Kinetic energy
Outline the difference between kinetic and potential energy.
Kinetic = motion; Potential = stored due to position/mass
Compare solar and wind energy in terms of availability and environmental impact.
Both renewable; solar works in sun, wind needs wind; both low pollution