What is the name of the iron ore which has the property of attracting magnetic materials?
Important Questions on Fun With Magnets
State and explain two main properties of a natural magnet.
Match the following:
| Column A | Column B |
|
A naturally occurring magnet |
a. Horse-shoe magnet |
|
. An artificial magnet bent in the form of U |
b. Lodestone |
|
The end of a freely suspended magnet which points towards north |
c. Magnetic compass |
|
A magnetic device used for finding geographic directions |
d. Natural magnet |
|
A magnet which occurs naturally and is not made by any artificial means. |
e. North pole. |
Look at the magnetic pendulum. The pendulum has a magnet and there are a few magnets on the board too. The pendulum does not move in a fixed direction. What is the reason behind it?
Shashi was rolling a bar magnet in fine sand. She pulled out magnet from the sand and noticed fine grey particles sticking on the ends of the magnet. However, no particles were sticking in the middle of the magnet. She wanted to know the basic facts clarified such observation with basic facts.
Answer the following questions based on above information :
What are the values displayed by Shashi in sharing her observation with her father?
Fill in the blanks by choosing from the brackets.
The first magnetic material to be discovered was named _____(iron rod/ magnetite/ electromagnet).
