Energy Transformations and Heat Transfer

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

What is the energy of position or shape that depends on weight and height, also called stored energy?

• chemical energy
• kinetic energy
• potential energy
• sound 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

Which coconut has the greatest gravitational potential energy?

• Position 1
• Position 2
• Position 3
• None have potential energy

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

• A
• B
• C
• D

What is happening at B?

• Lowest kinetic energy, highest potential energy
• Highest kinetic energy, lowest potential energy

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

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

• electrical
• chemical
• solar
• mechanical