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Electricity and machines
Autor :
Elvira Minses Parra
1.
What are the general properties of matter?
A.
Mass and volume
B.
Volume and size
C.
Mass and size
2.
We measure mass in...
A.
Litres and mililitres
B.
Kilograms and grams
C.
Grams and litres
3.
We measure volume in...
A.
Mass and volume
B.
Litres and mililitres
C.
Mililitres and grams
4.
Magnets attract...
A.
Plastic
B.
Glass
C.
Metal
5.
Magnets have...
A.
Four poles: North, East, West and South
B.
Three poles: North, East and South.
C.
Two poles: North and South
6.
The electric current flowing through an electric circuit creates ...
A.
A magnetic field
B.
A magnetic countryside.
C.
Nothing.
7.
What kind of metal do we need to make a magnetic generator?
A.
Iron
B.
Coil
C.
Gold