Potential and Kinetic Energy

What is potential energy?

• Energy from the sun

• Energy stored in an object

• Energy of motion

• Energy that can be created

Which of the following is an example of kinetic energy?

• A stretched elastic band

• Batteries

• A ball on the edge of a table

• A moving car

How is energy measured?

• In Newtons

• In Watts

• In Joules

• In Calories

What is a system?

• A single object

• A set of parts that work together

• A form of motion

• A type of energy

Which of the following is NOT a type of system mentioned?

• Mechanical systems

• Thermal systems

• Chemical systems

• Biological systems

What happens when different parts of a system interact?

• Energy is lost

• Energy is destroyed

• Energy is created

• Energy is transferred

What type of energy does a horse gain from eating plants?

• Thermal energy

• Kinetic energy

• Potential energy

• Chemical energy

What is the law of conservation of energy?

• Energy can be created

• Energy cannot be created or destroyed

• Energy is always lost

• Energy can be destroyed

What type of energy is stored in a battery?

• Mechanical energy

• Thermal energy

• Potential energy

• Kinetic energy

Which example illustrates energy transfer in a biological system?

• Motor turning

• Stove plate heating a pot

• Hammer hitting a nail

• Horse pulling a wagon