WorksheetsElectricity Review 7th grade
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
In a series circuit with a 15V battery and 3 bulbs, how much voltage does each one get?
a)
5 Volts
b)
5 Amps
c)
10 Volts
d)
15 Volts
2.
In a parallel circuit with a 15V battery and 3 bulbs, how much voltage does each one get?
a)
5 Volts
b)
5 Amps
c)
10 Volts
d)
15 Volts
3.
Is the image on the left a closed or open circuit?
a)
Closed
b)
Cake
c)
Open
d)
More cake
4.
This circuit is .....?
a)
open
b)
parallel
c)
closed
d)
short
5.
Is the image on the right a closed or open circuit?
a)
Closed
b)
Cake
c)
Open
d)
Opened cake
6.
Which of the following transformations occurs when a circuit is closed?
a)
Chemical to Thermal and Light
b)
Chemical to Radioactive
c)
Heat to Wires
d)
Awesomeness to total awesomeness
7.
True or false: A light bulb is an example of a resistor.
a)
True
b)
Cake
c)
False
8.
Unit for resistance
a)
Amperes
b)
Ohms
c)
Volts
d)
Watts
9.
Current is how many electrons ______.
a)
Pass a certain point in a set amount of time (which determines their speed)
b)
DANCE
c)
True
d)
False
10.
When current goes up, resistance goes ____.
a)
plop.
b)
beep boop.
c)
Down
d)
Up
11.
When resistance goes up, current goes ____.
a)
splat.
b)
boop beep.
c)
Down
d)
Up
12.
Voltage is measured in ____ using a ____. (1st blank)
a)
Volts
b)
Amps
c)
Ohms
d)
Watts
13.
Voltage is measured in ____ using a ____. (2nd blank)
a)
Voltmeter
b)
Ammeter
c)
Multimeter
d)
Ohmmeter
14.
Voltage is the measure of the difference of electrical potential energy in different spots within the system.
a)
True
b)
False
15.
After an energy transfer, energy drops because . . .
a)
It is sucked into a black hole
b)
It is dissipated and/or used by a resistor (ex. light bulb)
16.
In a parallel and a series circuit that each have a 9V battery and 3 light bulbs, which one will have LESS volts per bulb and WHY?
a)
Series because each bulb has to share the amount of total voltage evenly.
b)
Parallel because each bulb has to share the amount of total voltage evenly.
c)
Parallel
d)
Series
17.
What is Amp short for?
a)
Ampahedron
b)
Cake
c)
Amphear
d)
Amphere
100 %
