When driving a car, the chemical energy in gasoline is converted to heat (thermal energy) in the engine. Most of this thermal energy is then converted to mechanical energy, which makes the car move. What happens to the rest of the thermal energy?

According to the Law of Conservation of Energy, the total amount of energy in the universe ______________.

Which is an example of mechanical energy?

Bob has an electric motor and a generator. Which pairs of energy terms are the most closely related to the development of a motor and a generator?

Moving a wire through a magnetic field _____________.

What type of energy transfer occurs when the heat in the sand transfers to the person's feet?

_________ happens when a force causes an object to move in the same direction that the force is applied.

Which statement describes the flow of heat?

How does a pulley reduce the effort required to move a heavy object?

A simple machine makes work easier by _____________.

When you use a hammer to pull a nail from a piece of wood, which simple machine are you using?

How could a box be moved up a ramp with the LEAST amount of effort?

During _______________, energy is transferred through electromagnetic waves that travel through space until they are absorbed

Which of the choices below are known as six simple machines?

Convection is the transfer of energy by the motion of heated particles in a fluid. which statement BEST describes an example of convection?

Two men are standing on either side of a box pushing against each other. They each push for 30 seconds but do not move the box. The men applied _____________ but no _____________ was done.

Terry used a ramp to load boxes on a truck. For the work he had to do, the ramp decreased __________.

Which is an example of a simple machine?

The difference between a simple machine and a complex machine is __________

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

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