Sellers Energy Test

Front

What type of energy is produced when a pencil sharpener gets warm?

Back

Thermal energy is produced when the pencil sharpener gets warm.

Front

Which has more energy to keep moving: a small car or a big bus going the same speed?

Back

The big bus has more energy to keep moving.

Front

Why does warm air rise and cold air sink?

Back

Warm air is light and cold air is heavy.

Front

Which bike has more energy to keep moving: an empty bike or a bike with a heavy bag going down a hill?

Back

The bike with the heavy bag has more energy to keep moving.

Front

What do you need to make a light bulb light up in a circuit?

Back

You need a battery, wires, and a light bulb.

Front

Define thermal energy.

Back

Thermal energy is the energy that comes from the temperature of matter.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object due to its motion.

Front

Explain the concept of potential energy.

Back

Potential energy is the stored energy in an object due to its position or state.

Front

What is the relationship between mass and energy in motion?

Back

The more mass an object has, the more energy it requires to move.

Front

What happens to the energy of air when it is heated?

Back

When air is heated, it becomes less dense and rises.