How is energy stored and used
Science
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12 questions
Question 1
Multiple Choice
10 points
All of these objects have stored energy EXCEPT?
A.a tank of gasoline
B.a rock on the ground
C.a dam blocking water
D.a charged battery
Question 2
Multiple Choice
10 points
When someone says that they are "using energy," they are talking about
A.creating stored energy.
B.releasing stored energy.
C.destroying stored energy.
D.converting light to stored energy.
Question 3
Multiple Choice
10 points
When stored energy is efficient, it
A.is destroyed when it is released.
B.is an expensive form of energy.
C.is used for producing sound, heat or light.
D.is useful without creating a lot of wasted energy.
Question 4
Multiple Choice
10 points
Suppose a park hires a group of engineers to design a new ranger station, The first step the team of engineers takes is
A.defining the problem.
B.solving all of the issues.
C.choosing the best solution.
D.proposing different solutions.
Question 5
Multiple Choice
10 points
When scientist produce energy, they
A.store it for use.
B.create new energy
C.release energy for stored use.
D.change energy into a useful form.
Question 6
Multiple Choice
10 points
Which of the following is an example of stored energy?
A.food
B.batteries
C.gasoline
D.all of the above
Question 7
Multiple Choice
10 points
Which of the following statements about stored energy is false?
A.Stored energy can create energy as motion
B.Stored energy is destroyed when used up.
C.Stored energy can be used at different places.
D.Stored energy can be used at different times.
Question 8
Multiple Choice
10 points
When someone says they are using energy, they are talking about
A.destroying energy.
B.creating new energy
C.storing energy for later.
D.releasing stored energy.
Question 9
Multiple Choice
10 points
Stored energy in the form of batteries and gasoline are similar because they
A.can be easily moved to different places.
B.transfer energy as an electric current.
C.are both efficient types of stored energy.
D.all of the above
Question 10
Multiple Choice
10 points
When energy is efficient, it is
A.helpful and easy find.
B.useful and creates little waste.
C.cheaper and easy to transport.
D.useful and connected to power lines.
Question 11
Multiple Choice
10 points
Why is gasoline a useful form of stored energy?
A.It is a liquid.
B.It is cheap.
C.it creates energy.
D.it produces steam.
Question 12
Multiple Choice
10 points
Dams produce electricity by turning the stored energy of
A.water into sound energy
B.the turbines into heat energy.
C.water into an electrical current.
D.the turbines into energy of motion.