Name
22. Food, batteries, and gasoline are similar because they are sources of
energy
a. Chemical energy b. mechanical energy c. nuclear energy d. thermal energy
23. What type of energy flows through the wires in an electrical circuit?
a. Chemical energy b. mechanical energy c. nuclear energy d. electrical energy
24. Electrical energy is
a. Energy caused by heat
c. energy caused by vibration
b. Energy of moving electrons d. energy stored in matter
25. The energy caused by an object's vibration is
a. Sound energy b. mechanical energy c. nuclear energy d. thermal energy
26. Michael is yelling to his friend across the street. This is an example of
a. mechanical energy
b. sound energy
c. nuclear energy d. thermal energy
27. Which of the following produces mechanical energy?
a. Fresh food b. sewing machine c. running water d. a cup of hot coffee
28. Lightning is an example of
energy
a. Chemical energy b. mechanical energy c. nuclear energy d. electrical energy
29. Why is electrical energy very useful in our homes?
a. It is expensive
c. it is convenient to use
b. It is easy to obtain
d. b and c

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