Energy and Magnetism

What is energy?

• It is measured in watts
• It is power
• It is the ability to do work
• It is fluid motion

What is the energy of motion that depends on speed and mass?

• chemical energy
• kinetic energy
• potential energy
• heat energy

Can energy be created or destroyed?

• Yes, it can be created.
• Yes, it can be destroyed.
• No, energy is always conserved
• None of these

At what position does the cyclist have the least gravitational potential energy?

• A
• B
• C
• D

At what position does the rock acquire the greatest potential energy?

• A
• B
• C
• D

At what position does the rock have the greatest kinetic energy?

• A
• B
• D
• E

Most of the energy that we use on Earth originally came from the ______.

• moon
• plants
• animals
• sun

________________ energy is the energy due to the motion (kinetic) and position (potential) of an object. 

• electrical
• chemical
• solar
• mechanical

Magnetism is a type of ____________

• force
• book
• plant
• animal

When two magnets attract, they ______________

• push apart
• change color
• get colder
• pull together