Energy Review 2

The picture shows sunlight shining on solar panels. 
Which statement best describes this energy source?

• Sunlight is a renewable energy source used to produce hydropower.
• Sunlight is a nonrenewable energy source used to produce nuclear power.
• Sunlight is a renewable energy source used to produce electricity.
• Sunlight is a nonrenewable energy source used to produce natural gas.

This boy is using a bow and arrow.  What form of energy does a bow and arrow demonstrate? 

• mechanical
• sound
• thermal
• electrical

Electrical energy is changed to __________ in radios and televisions.

• light energy
• heat energy
• sound energy
• energy of motion

Electrical energy is changed to ______________ in light bulbs.

• light energy
• heat energy
• sound energy
• energy of motion

What type of energy does the stove transfer to its surroundings?

• Mechanical Energy
• Electrical Energy
• Chemical Energy
• Thermal Energy

What type of energy is the rocket gaining?

• Mechanical Energy
• Kinetic Energy
• Chemical Energy
• Thermal Energy

What is the source of this mechanical energy?

• Mechanical Energy
• Kinetic Energy
• Chemical Energy
• Thermal Energy

Which of the following energy transformations allows the car to stop?

• Chemical Energy → Mechanical Energy
• Mechanical Energy → Thermal Energy
• Electrical Energy → Thermal Energy
• Electrical Energy → Mechanical Energy

Which of the following correctly defines work?

• the product of force and displacement
• a transfer of mechanical energy
• change in kinetic energy
• all of these are correct

Which object has the greatest amount of kinetic energy?

• Object A
• Object B
• Object C
• Object D