WorksheetsElectrical Energy
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
1. A student turns on a computer screen. What energy transformation has taken place? SC.5.P.10.4
a)
light energy is transformed to electrical energy
b)
electrical energy is transformed to light energy
c)
sound energy is transformed to electrical energy
d)
electrical energy is transformed to sound energy
2.
2. What type of energy transformation occurs when a person hears a voice through a cell phone. SC.5.P.10.4
a)
light energy is transformed to sound energy
b)
heat energy is transformed to electrical energy
c)
electrical energy is transformed into sound enegy
d)
electrical energy is transformed into mechanical energy
3.
3. Which of these is NOT an example of energy causing motion? SC.5.P.10.2
a)
sitting still on a swing
b)
hitting a tennis ball softly
c)
sliding fast down a slide
d)
kicking a soccer ball hard
4.
4. Which of the following is the best example of mechanical energy? SC.5.P.10.2
a)
a lamp that is turned on
b)
a ball that is hit with a bat
c)
wood that is burning in a fireplace
d)
music that is coming from a speaker
5.
5. A student is taking laundry out of the dryer. He notices that a sock and a sweater are stuck together. Which statement is the most likely reason the sock was stuck to the sweater? SC.5.P.10.3
a)
The sock and the sweater have opposite charges.
b)
The sock and the sweater have changing charges.
c)
Both the sock and the sweater have a neutral charge.
d)
Both the sock and the sweater have a positive charge.
6.
6. Brett blows up a balloon and rubs it in his hair to give it a negative charge. Then he moves the same balloon near a pile of small pieces of cut-up paper. The paper pieces move toward the balloon. Why did the paper pieces move toward the balloon? SC.5.P.10.3
a)
Objects with opposite charges repel each other.
b)
Objects with the same charge attract each other.
c)
A charged object can attract an uncharged object.
d)
A charged object transfers its charge to uncharged objects.
7.
7. Which statement is true about a basic electrical circuit? SC.5.P.11.1
a)
No electricity will flow through a circuit without a light bulb.
b)
No electricity will flow through a circuit that has an open switch.
c)
Electricity will flow through a circuit without a source of energy.
d)
Electricity will flow through a circuit that forms an incomplete loop.
8.
8. The picture shows an incomplete circuit with a battery, a piece of wire, and a light bulb. Different points of the circuit are labeled A, B, C. and D. Where does the loose wire need to be attached for the light bulb to work? SC.5.P.11.1
a)
point A
b)
point B
c)
point C
d)
point D
9.
9. Some objects are very good at conducting electricity and other are not. Which of the following objects would be the best conductor of electricity? SC.5.P.11.2
a)
wood block
b)
cloth square
c)
glass bead
d)
aluminum foil
10.
10. Rubber and plastic are poor conductors of electricity. What other material is a poor conductor of electricity? SC.5.P.11.2
a)
copper
b)
steel
c)
glass
d)
gold
100 %
