Download Energy Transformations

Energy Transformations
Choose the best answer to each of the following questions.
1. Niagara Falls is a good example of
a. kinetic energy being transformed into
potential energy.
b. potential energy being transformed into
kinetic energy
c. energy being created.
2. The law of conservation of energy states that
when one form of energy is converted into another,
a. energy is destroyed in the process
b. no energy is destroyed in the process
c. energy is created in the process
3. Thermal energy is created when a firefighter slides down a pole. Where
does this energy come from?
a. The radiant energy from the sun.
b. The chemical energy in a battery.
c. The mechanical energy of the firefighter moving.
4. When energy moves from one form to another it is said to be
a. transformed.
b. eliminated.
c. lost.
5. Energy transformations result in
a. a loss of energy.
b. no loss or gain in energy.
c. a loss or a gain in energy depending on the situation.
6. On a day when the air is still a windmill still possesses
a. potential energy.
b. kinetic energy.
c. chemical energy.
7. Which is an example of chemical energy?
a. a horse pulling a cart
c. an animal digesting food
b. a marching band in a parade
8. The energy associated with motion is called
a. Kinetic energy
b. Elastic potential energy
c. Gravitational potential energy
9. An example of something that stores chemical energy is
a. lightning
b. A match
c. a microwave
10.
Moving water can be used to produce electricity because
a. Most forms of energy can be converted into other forms.
b. Energy cannot be converted into other forms.
c. Potential energy can be converted into kinetic energy, but not vice versa.
11.
When you rub your hands together on a cold day, you use friction to
convert
a. mechanical energy into thermal energy
b. thermal energy into nuclear energy
c. nuclear energy into electrical energy.
12.
Which of the following has kinetic energy?
a. a rock poised for a fall
b. an archer’s bow that is drawn back
c. a rolling bowling ball
13.
Unlike kinetic energy, potential energy is
a. energy of motion.
b. stored.
c. not measurable.
14.
Potential energy that depends on height is called
a. kinetic energy.
b. gravitational potential energy.
c. elastic potential energy.
15.
What type of energy does a spinning turbine have?
a. electrical energy
b. thermal energy
c. mechanical energy
16.
Heat transfers occur
a. in many directions.
b. both from warm objects to colder ones and from cold objects to
warmer ones.
c. only from warm objects to colder ones.
17.
If you set a bowl of hot soup on the table, which of the follow heat
transfers will occur?
a. The table will transfer heat to the hot soup.
b. The soup will transfer heat to the air.
c. The air will transfer heat to the hot soup.