Grade 4 Science: Electricity
Multiple-Choice Exercise
Content © 2002 Linda Marshall; Author of Activity: Tami Maloney; All rights reserved. No commercial, for-profit use of this material is allowed. E-mail comments and questions to Tami Maloney.
Choose the correct answer for each question.
What keeps electricity from getting to you?
- an electric circuit
- a fuse
- an insulator
- a conductor
What is the name of a device that is used to open and close a circuit easily without connecting and disconnecting the wires?
- a battery
- a fuse
- a light bulb
- a switch
What is the name of the crackle you hear when you touch a doorknob after rubbing your feet across a carpet?
- an electric discharge
- an insulator
- an electric circuit
- a fuse
What do you call an object that allows electricity to run through it easily?
- an electric circuit
- a fuse
- an insulator
- a conductor
If you rub two balloons over a piece of wool, what will happen when you hold them close together?
- They will repel each other.
- They will get bigger.
- The will pop.
- They will attract each other.
What device is used to keep homes safe by opening overloaded circuits?
- a conductor
- a fuse
- an insulator
- a generator
What is the path along which electricity travels?
- electric discharge
- conductor
- electric circuit
- fuse
What happens when a bolt of lightning hits a TV antenna on a roof?
- The negatively charged antenna attracts the positive charges in the cloud.
- Negative charges at the bottom of a cloud jump to the positively charged antenna.
- Rain carries electric charges to the antenna.
- The air particles near the antenna heat up and cause sparks.
What happens if one bulb burns out on a parallel circuit?
- The other one will go out too.
- The other one will stay lit.
- The battery will die.
- None of the above.
Which of these materials would let electricity flow through it?
- cardboard
- rubber
- plastic
- aluminum foil