Energy and Forces in Physics

What is physics?

• The study of plants and animals.

• The study of forces, energy, and motion.

• The study of numbers and shapes.

• The study of old things.

What kind of energy does a rollercoaster car have when it is pulled to the top of a tall hill?

• Kinetic energy

• Sound energy

• Potential energy

• Heat energy

What happens to the potential energy of a rollercoaster car when it zooms down a track?

• It disappears.

• It turns into kinetic energy.

• It turns into heat.

• It stays the same.

What is the energy of motion called?

• Potential energy

• Kinetic energy

• Stored energy

• Gravity energy

What force pulls things downwards on Earth?

• Wind

• Friction

• Gravity

• Magnetism