Forms of Energy, Transformations, Electric Circuits

As water is moving down stream toward the ocean, it has ___________ energy because it is moving.

• heat
• solar
• chemical
• mechanical

When you move your arm, your body changes chemical energy supplied by food into _____________ energy.

• radiant
• electrical
• potential
• mechanical

A toy helicopter's blades spin when its circuit is connected to a battery.  Which sequence shows the energy changes taking place in the helicopter?

• heat > mechanical >potential
• electrical >mechanical > potential
• chemical > electrical > potential
• chemical > electrical > kinetic

When you plug a radio into an outlet in the wall, what energy change happens?

• electrical energy changes into sound energy
• electrical energy changes into thermal energy
• chemical energy changes into electrical energy
• sound energy changes into radiant energy

Energy causes ___________ to occur.

• change
• motion
• age
• laziness

Solar Energy is transferred to _____ Energy.

• Mechanical
• Solar
• Sound
• Electrical

Mechanical Energy is transferred to _____ Energy.

•  Solar
•  Mechanical
•  Electrical
•  Thermal

The Law of Conservation states that energy can _______________ from one form into another.

• created
• destroyed
• transform
• hotter

Zion throws a baseball into the air. It rises, stops when it reaches its greatest height, and then falls back to the ground.
At what point does the ball have the most potential energy?

• when the baseball is rising
• when the baseball is falling
• just after the baseball hits the ground
• while the baseball is stopped in the air

Think about the Law of Conservation of Energy.
Which of the following is not true?

• Energy cannot be destroyed.
• Energy cannot be created.
• Energy cannot be transformed.
• Energy can only be transformed.