Energy transformations

What is the term used for a change from one form of energy to another?

• Energy Transition

• Energy Transfer

• Energy Conversion

• Energy Transformation

In a toaster, what STARTING type of energy is transformed to toast bread?

• Electrical Energy

• Chemical Energy

• Thermal Energy

• Mechanical Energy

What type of energy is transformed to electromagnetic energy in a cell phone?

• Mechanical Energy

• Electrical Energy

• Chemical Energy

• Thermal Energy

In a car engine, what type of energy is used to move the car?

• Chemical Energy

• Thermal Energy

• Electrical Energy

• Mechanical Energy

What is the most common energy transformation in waterfalls like Niagara Falls?

• Thermal Energy to Mechanical Energy

• Mechanical Energy to Electrical Energy

• Potential Energy to Kinetic Energy

• Chemical Energy to Thermal Energy

What happens to the energy of a spinning top when it encounters friction?

• It is destroyed

• It is transformed to electrical energy

• It is transformed to thermal energy

• It remains the same

What type of energy is transformed to gravitational potential energy in a pole vault?

• Elastic Potential Energy

• Thermal Energy

• Kinetic Energy

• Chemical Energy

According to the law of conservation of energy, what happens to energy during transformations?

• Energy is created

• Energy is destroyed

• Energy remains the same

• Energy decreases

What is the reason behind the reduced efficiency of machines?

• Friction transforms energy to thermal energy

• Friction transforms energy to potential energy

• Friction transforms energy to mechanical energy

• Friction transforms energy to electrical energy

What is the term used for the continuous transformation between kinetic and potential energy in a pendulum?

• Energy Conversion

• Energy Transformation

• Energy Transfer

• Energy Transition