Tn Ready: Energy Transformations

What type of energy is stored in a stretched rubber band?

• Kinetic energy

• Elastic Potential energy

• Thermal energy

• Electrical energy

Which of the following is an example of kinetic energy transforming into thermal energy?

• A book falling off a shelf

• Rubbing your hands together to warm them

• A car parked on a hill

• A stretched bowstring

When a ball is thrown into the air, what type of energy transformation occurs as it reaches its highest point?

• Kinetic to potential

• Potential to kinetic

• Thermal to kinetic

• Electrical to thermal

Which of the following best describes gravitational potential energy?

• Energy stored in chemical bonds

• Energy due to an object's position above the ground

• Energy from moving objects

• Energy from the sun

A roller coaster at the top of a hill has 500 J of potential energy. As it descends, what happens to this energy?

• It is lost completely

• It transforms into kinetic energy

• It transforms into thermal energy

• It remains as potential energy

Which scenario involves the transformation of kinetic energy into potential energy?

• A car accelerating on a flat road

• A pendulum swinging to its highest point

• A light bulb being turned on

• A person running downhill

Explain why a ball rolling down a hill speeds up as it moves downward.

• The ball gains potential energy

• The ball loses kinetic energy

• The ball's potential energy is converted into kinetic energy

• The ball's thermal energy increases

A skier at the top of a slope has 800 J of gravitational potential energy. As the skier moves down, what type of energy transformation occurs?

• Potential to kinetic

• Kinetic to potential

• Thermal to potential

• Electrical to kinetic

A pendulum is released from a certain height. Describe the energy transformation as it swings back and forth.

• Kinetic to thermal and back

• Potential to kinetic and back

• Electrical to thermal and back

• Chemical to kinetic and back

A child slides down a playground slide. Explain the energy transformation that occurs during the slide.

• The child's potential energy is converted into kinetic energy

• The child's kinetic energy is converted into potential energy

• The child's thermal energy is converted into potential energy

• The child's electrical energy is converted into kinetic energy