Physics Quiz

What is the ability to do some sort of work known as?

• Power

• Energy

• Force

• Motion

What does the law of conservation of energy state?

• Energy can be created and destroyed

• Energy can be created but not destroyed

• Energy can neither be created nor destroyed

• Energy can be destroyed but not created

What type of energy does food contain?

• Kinetic energy

• Potential energy

• Thermal energy

• Chemical energy

What happens to chemical energy in food after digestion?

• It is stored as fat

• It is converted into mechanical energy

• It is lost as heat

• It remains unchanged

Which of the following is NOT a point stated by the law of conservation of energy?

• Energy can neither be created nor destroyed

• Energy can be transformed from one form to another

• The total amount of energy remains constant

• Energy can be created from nothing

How much chemical energy does a banana contain?

• 50 Joules

• 75 Joules

• 105 Joules

• 150 Joules

What type of energy do you possess when you start walking after eating a banana?

• Potential energy

• Kinetic energy

• Thermal energy

• Electrical energy

What happens to the 105 Joules of chemical energy from the banana when you start walking?

• It is destroyed

• It is converted into kinetic energy

• It is stored as potential energy

• It is converted into thermal energy

According to the text, what is an example of energy transformation in the body?

• Chemical energy to thermal energy

• Kinetic energy to potential energy

• Chemical energy to kinetic energy

• Electrical energy to chemical energy

What does the law of conservation of energy state in the context of the video?

• Energy can be created and destroyed

• Energy can be transformed but the total amount remains the same

• Energy can only be stored

• Energy can be transferred without any transformation