Transcript Electricity and Magnetism CA Review

Electricity and
Magnetism Review
2013
1. A student wraps a wire around an iron
nail. The student then connects the wire to a
battery. The nail attracts another nail and
they stick together.
What force holds the two nails together?
Magnetic Force
__________________
2. Electric current can only
flow through a circuit that is…
Closed
___________________
3.
In an incandescent light bulb, electricity passes
through the bulb causing the following …
A. Electrical energy is transferred to light energy which
is transferred to heat energy
B. Electrical energy is transferred to heat energy which
is transferred to light energy
C. Electrical energy is transferred to magnetic energy
D. Electrical energy is transferred to ultraviolet light
The correct answer is…
A
4. Which part of an atom
has a negative charge?
An electron
_________________
5. These two magnets will
attract each other because …
Opposites
attrack
_________________________
6. When a battery, wire and nail
are connected together, we create
An electromagnet
_______________________
7. What is created in a generator
when a coil of wires is passed
through a magnetic field?
Electricity
____________________________________
8. An electromagnet is an
example of which type of
magnet?
Temporary Magnet
_______________________
9. Name 3 examples of good
conductors
Examples are nails, metal
spoons, and copper
________________________
10. Name 3 examples of
insulators that were shared
in class.
Rubber, plastic, and wood
11. Which type of power
plant generates electricity
by water causing a generator
to turn?
Hydro – Electric Power Plant
12. Which place would be a
safest during an electrical
storm?
A. In a swimming pool
B. In a building
C. In the shower
D. In an open field
13. An object gains a negative
electric charge when ……
gains an electron
14. Which electric circuit
produces light?
A
B
C
D
15. Which of the following
is an example of electric
discharge?
A. Magnets moving a Compass
B. Heat escaping from a filament
C. Current in a wire
D. Lightning striking the ground
16. Name the 3 main
parts of an atom
Protron
Neutron
Electron
17. What is created in a
generator when a coil of
wires is passed through a
magnetic field?
Electricity
18. Which type of
electrical power plant would
pollute the least?
Petroleum Burning
Geothermal
Natural Gas
Coal Plant
19. Describe an open circuit.
An open circuit will not allow
electricity to pass though it. It
is not complete circuit.
21. What are the charges of
an electron, a proton and a
neutron?
An electron has a negative charge
An proton has a positive charge
A neutron has NO charge. It is
neutral
15. Draw a closed circuit
diagram that includes a
battery, a bulb, a switch, and
the wires. The circuit must
light the bulb. Use arrows to
show the path of the electrons
in the circuit.