The Dynamics of Energy

What is the energy called that is associated with an object in motion?

• Potential Energy

• Kinetic Energy

• Thermal Energy

• Chemical Energy

Which of the following is an example of energy transformation?

• A battery powering a flashlight

• Water sitting at the top of a waterfall

• A compressed spring that is not moving

• A book resting on a table

According to the law of conservation of energy, energy can be:

• Created but not destroyed

• Destroyed but not created

• Neither created nor destroyed, only transformed

• Both created and destroyed

What type of energy is stored in food?

• Kinetic Energy

• Thermal Energy

• Chemical Energy

• Nuclear Energy

Which device is likely to have the highest energy efficiency?

• An old incandescent light bulb

• A modern LED light bulb

• A gasoline-powered car

• A steam locomotive

What type of energy does a stretched or compressed spring have?

• Kinetic Energy

• Potential Energy

• Thermal Energy

• Electrical Energy

Solar panels convert what type of energy into electrical energy?

• Kinetic

• Thermal

• Chemical

• Solar (Radiant)

What happens to the total energy in a closed system?

• It increases over time

• It decreases over time

• It remains constant

• It fluctuates unpredictably

Which of the following is a renewable source of energy?

• Coal

• Natural Gas

• Wind

• Uranium

When you rub your hands together on a cold day, what type of energy transformation is primarily taking place?

• Chemical to Thermal

• Kinetic to Thermal

• Electrical to Thermal

• Potential to Kinetic