Grade 7 Technology - Magnets and Electromagnets
Authored by Taariq McKrea
Science
7th Grade
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Which of the following materials is magnetic?
Plastic ruler
Wooden desk
Iron hammer
Glass
Answer explanation
An iron hammer is made up of the metal 'iron' which is highly magnetic.
2.
MULTIPLE CHOICE QUESTION
20 sec • 4 pts
What are the ends of a magnet called?
Poles
Charges
Watts
Coils
Answer explanation
A magnet consists of a North and South Pole which are the areas where the magnetic forces are at its strongest.
3.
MULTIPLE SELECT QUESTION
30 sec • 10 pts
A horseshoe magnet is in the shape of a...
Bent rectangle
Circle
U-shape
Triangle
Answer explanation
4.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Electromagnets work only when the electric current passes through.
TRUE
FALSE
Answer explanation
Electromagnets need electricity to produce magnetism, therefore when electricity stops flowing the magnetism disappears.
5.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Why did the nail and the paper clips stick together when the battery was connected?
The nail turned into a permanent magnet.
The insulation wire turned into a battery.
The paperclips produced electricity.
The nail become magnetised by the electricity flow.
6.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Why do you think the paperclips fell off when Mr. Molly disconnected the battery?
The nail was faulty.
The magnetic field disappeared.
The battery died.
The wire must have broken.
7.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
How can Mr. Molly encourage the Grade 7 learners to make their electromagnet stronger?
Increase the amount of wire coils used.
Use more batteries.
Use few coils.
Use a plastic nail.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
