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WorksheetsAtoms and Molecules
Total questions: 11
Worksheet time: 11mins
Name
Class
Date
1.
Which part of an atom is POSITIVELY charged?
a)
protons
b)
neutrons
c)
electrons
d)
atoms
2.
What part of an atom is NEGATIVELY charged?
a)
protons
b)
neutrons
c)
electrons
d)
atoms
3.
What is the term for combining 2 or more atoms together?
a)
atoms
b)
elements
c)
molecules
d)
compounds
4.
What is the picture displayed?
a)
Carbon Dioxide
b)
Water
c)
Gasoline
d)
Liquid Nitrogen
5.
All matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
6.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
7.
The central region of an atom where its neutrons and protons are is called it's __________ .
a)
nucleus
b)
electron cloud
c)
core
d)
center
8.
This compound known as H2O is more commonly know as what?
a)
Water
b)
Carbon dioxide
c)
Hydrogen peroxide
d)
Toothpaste
9.
When you heat matter, what happens to the atoms and molecules?
a)
they move faster
b)
they move slower
c)
they stop moving
d)
they stay the same
10.
In a solid, the molecules are -
a)
close together
b)
moving around
c)
moving fast
11.
When you cool matter, what happens to the atoms and molecules?
a)
they move faster
b)
they move slower
c)
they stop moving
d)
they stay the same
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