Energy Conservation and Transformation Quiz

When a ball is thrown upwards, what type of energy is at its maximum when the ball is at the highest point?

• Kinetic energy

• Sound energy

• Potential energy

• Electrical energy

What type of energy transformation occurs in a battery-powered flashlight?

• Chemical to electrical to light

• Electrical to chemical to light

• Kinetic to electrical to light

• Chemical to kinetic to light

What type of energy does a moving car have that a parked car doesn't?

• Potential energy

• Chemical energy

• Kinetic energy

• Electrical energy

When you eat food, what type of energy transformation occurs in your body?

• Chemical to kinetic

• Light to chemical

• Electrical to chemical

• Kinetic to potential

Which device converts electrical energy into sound energy?

• Solar panel

• Battery

• Speaker

• Light bulb

What happens to the potential energy of a roller coaster at the top of its track?

• It decreases as the roller coaster goes down

• It transforms into kinetic energy as the roller coaster descends

• It increases as the roller coaster ascends

• It remains constant throughout the ride

Which appliance converts electrical energy into thermal energy?

• Refrigerator

• Television

• Toaster

• Radio

What type of energy increases when friction increases?

• Kinetic

• Potential

• Chemical

• Thermal

Friction is a "catch-all" term for the many processes that oppose

• Heat

• Wear

• Motion

• None of the above

The efficiency of most machines is less than 100%. Due to friction, energy seems to be lost. However, the energy is not really lost, it is just being converted into ______ energy.

• Thermal

• Radiant

• Electrical

• Nuclear