Study Jams
Current Electricity and Electric Circuits
1. Which type of energy is current electricity?
a. potential
b. static
c. kinetic
d. thermal
2. What is needed in order to keep a current flowing through wires?
a. a constant supply of electrons
b. a good insulator
c. a constant supply of thermal energy
d. a low wattage
3. Which of the following is a good conductor of electricity?
a. a beach ball
b. a t-shirt
c. a water bottle
d. a car door
4. Which of the following measures the rate at which an electric current flows?
a. volts
b. amps
c. watts
d. insulators
5. What does a watt measure?
a. the amount of thermal energy something has
b. the electrical pressure that moves electrons
c. the amount of electricity a device uses per second
d. the rate at which an electric current flows
6. How does an energy efficient light bulb help conserve electricity?
a. it uses fewer amps
b. it only uses insulators
c. it uses more electrons
d. it uses fewer watts
7. What might happen if the plastic or rubber covering on wires was damaged or
broken?
a. electricity could leave the wires and cause a fire
b. nothing would happen
c. electricity would stop flowing through the wires
d. electricity would flow more slowly through the wires
NixonHillary
Monday, April 29, 2013 2:19:42 PM ET
answers:
1. (c) kinetic
2. (a) a constant supply of electrons
3. (d) a car door
4. (b) amps
5. (c) the amount of electricity a device uses per second
6. (d) it uses few watts
7. (a) electricity could leave the wires and cause a fire
NixonHillary
Monday, April 29, 2013 2:19:42 PM ET