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WorksheetsStructure of a atom and magnetism
Total questions: 22
Worksheet time: 17mins
Name
Class
Date
1.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
2.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
3.
Protons are
a)
negative
b)
positive
c)
neutral
4.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
5.
Neutrons have almost exactly the same mass as
a)
electrons.
b)
positrons.
c)
protons.
d)
quarks.
6.
An electron has a _____ charge.
a)
negative
b)
positive
c)
neutral
7.
Which particles make up the nucleus of an atom?
a)
protons and neutrons
b)
electrons and protons
c)
electrons, protons, and neutrons
d)
electrons and neutrons
8.
What is the atomic number of the atom pictured?
a)
11
b)
12
c)
22
d)
23
9.
who made the plum pudding structure.
a)
J. Thomson
b)
J.J Thomson
c)
j. Chadwick
d)
E. Rutherford
10.
A=39 protons=19
Z= ?
a)
199
b)
9
c)
67
d)
13
e)
19
11.
how many isotopes dose carbon have
a)
3
b)
5
c)
2
d)
9
12.
Name the poles on a magnet
a)
North Pole & East Pole
b)
East Pole & West Pole
c)
South Pole & West Pole
d)
North Pole & South Pole
13.
If you drop or heat up a a magnet, what will eventually happen to it?
a)
the magnet will become stronger
b)
the magnet will demagnetize
14.
Magnetic NORTH is actually geographic _________
a)
SOUTH
b)
NORTH
c)
EAST
d)
WEST
15.
Electricity can be used to create a magnet
a)
True
b)
False
16.
A _________ is a device that produces magnetism by spinning a coil of wire around a nail.
a)
Generator
b)
Electromagnet
c)
Battery
d)
Galvonometer
17.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
18.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
19.
The strongest part of a magnet is...
a)
the bars.
b)
the force field.
c)
the poles.
d)
the middle.
20.
What types of metals are attracted to a magnet?
a)
Steel
b)
Iron
c)
Nickel
d)
All of the above are attracted to magnets
21.
To attract means....
a)
The part of the magnet where the force is the strongest
b)
A force created by magnets that pulls some metals
c)
To Pull towards
d)
An object able to pull some metals towards itself
22.
same poles repel each other.
a)
true
b)
false
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