Magnets Flashcards
Magnetism is a force that can ________ and______
Magnetism is a force that can ATTRACT and REPEL.
Is it a contact or non contact force?
Non Contact
What is the name of the two opposite ends of a magnet?
Poles
The ends are known as North and South what?
Seeking
State the Law of Magnetism
Opposite poles attract, alike poles repel.
Are all metals magnetic?
No
Are all magnets metallic?
Yes
Name 3 magnetic metals
Iron, Cobalt, Nickel
Name 3 non magnetic metals
Aluminium, Magnesium, Titanium, Tin, Zinc, Lead, Copper, Gold, Silver, Platinum
What is an alloy?
a metal that has been combined with 1 or more other elements.
Name a magnetic alloy
Steel
Why is Steel a magnetic alloy
It contains a large amount of iron.
Will materials that aren’t magnetic be attracted or repelled by a magnet?
No
What is described here? An area where magnetic materials experience a force.
Magnetic field
Are magnetic fields visible?
No
This describes a practical to see a magnetic field. Fill in the missing words:
Equipment:
Blue Tack
Iron __________
___ Magnet
1 sheet Blank paper
2 books of similar thickness to the magnet.
Method:
- Place magnet central and in between both books.
- lay the paper on top of the magnet and books and blue tack in place
- sprinkle iron _______ on the paper.
- tap paper to move ______ ________
- repeat 4 &5, observe and record results
Equipment: Blue Tack Iron FILINGS BAR Magnet 1 sheet Blank paper 2 books of similar thickness to the magnet.
Method:
- Place magnet central and in between both books.
- lay the paper on top of the magnet and books and blue tack in place
- sprinkle iron FILINGS on the paper.
- tap paper to move IRON FILINGS
- repeat 4 &5, observe and record results