Grade 4 Science: Magnetism
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.
A magnetized needle that is free to turn is called a ______.
- lodestone
- magnetic field
- a compass
- lines of force
Magnets can attract metal objects through paper and _____.
- glass
- water
- ceramics
- porcelain
The property of attracting materials like iron is called ______.
- lines of force
- magnetic field
- lodestone
- magnetism
A naturally magnetic rock is called _____.
- lodestone
- granite
- lines of force
- compass
The Air Quality Act set clean-air standards in the United States. Which of the following do you think will best meet the standards of the act?
- railroad trains
- maglev trains
- power plants
- gasoline-powered cars
The name of the patterns that show a magnet's field are _____.
- magnetism
- lodestone
- magnetic field
- lines of force
If the north end of one bar magnet is moved closer to the south end of another bar magnet they will do what?
- they will repel each other
- they will attract each other
- they will lose their magnetism
- nothing will happen
Magnets will pick up objects made of _____.
- wood
- iron
- rubber
- paper
The space in which a magnet's force can act is _____.
- a magnetic field
- a compass
- magnetism
- lines of force