Physical Science Chapter 4: Electrical Energy

1. The par of the aton that can rub off from on atom to another is the _____.

• proton
• neutron
• electron
• nucleus

2. This atom _____.

• has a positive charge.
• has a negative charge
• has no charge.
• has all of the above.

3. Giant sparks of moving electric charges are called _____.

• electric currents.
• lightning.
• thunder.
• electric circuits.

4. In an electric current, electricity flows _____.

• steadily.
• in a jumping way.
• occasionally.
• in sports.

5. All of there are special swiches that protect us EXCEPT

• fuses.
• circut breakers.
• GFCI outlets.
• dimmer switches

6. The picture below is a

• thermostat.
• circut breaker
• fuse.
• GCFI outlet.

7. 7,000 watts equal _____.

• 7 kilowatts
• 70 kilowatts
• 700 kilowatts
• 7,000 kilowatts

8. Electric stoves us an electrical current of _____.

• 9 volts
• 100 volts
• 110 volts
• 220 volts

9. The two magnet poles are _____.

• E and W
• N and S
• N and E
• S and W

10. The basic principles of magnetism and electricity _____.

• are not related.
• have a few similarities.
• are closely related.
• are exactly the same.