Science questions- Magnetism

Hi!


My group for the magnetism project is: Marko, William, and me!!! :))))


So... there are five questions we are going to use and here they are:


1) What type of mineral are magnets made out of?

a) Iron

b) Magnetite

c) Salt

d) Other



2) Magnetite was first used for...

a) Fridges

b) Electric fans

c) Compasses

d) Other



3) The south poles and north poles of a magnet...

a) Attract

b) Repel

c) Doesn't do anything

d) Other



4) Field lines that curve away from each other shows...

a) Atrraction

b) Repulsion

c) Nothing- it is just showing the magnetic field

d) Other



5) Magnetism is one of the basic forces of...

a) Electricity

b) Gravity

c) Nature

d) Other



and here is a link for a video, enjoy! http://www.bitesizephysics.com/Movies/Force%20Movies/magfieldmovie.html
It's a bit weird, but it's really interesting! It's about compasses and magnetic field lines :)