Magnetic Flashcards
1
Q
Periscope
A
Made using two plain mirrors at 45 degree angles to each other
2
Q
A periscope can be used
A
To see objects that are too high up to see
3
Q
Refraction
A
The bending of light as it goes from one medium to another
4
Q
Magnetism
A
Is the force of attraction between magnets and magnetic objects
5
Q
North and South Pole on a magnet
A
Like poles repel each other unlike attract each other
6
Q
Magnetic compass
A
Small magnetic needle that is free to move within a protective case
7
Q
Magnetic field
A
The space around a magnet
8
Q
Ferromagnetic materials
A
Iron,steel,nickel,collateral and alloys of these
9
Q
Uses of magnets
A
Putting important things on the fridge, lifting scrap cars, speaker and head scanning