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Worksheets8th grade science
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
____________ is anything that has mass and takes up space.
a)
matter
b)
compound
c)
particle
d)
subatomic
2.
All mater is composed of __________.
a)
compounds
b)
atoms
c)
water
d)
H2O
3.
_____________ are the smallest unit of matter that retains the identity of the substance.
a)
compounds
b)
atoms
c)
water
d)
H2O
4.
All atoms have a ___________ in the center.
a)
electron
b)
cloud
c)
nucleus
d)
particle
5.
The nucleus of the atom has the
___________ and ___________ in it.
___________ and ___________ in it.
a)
protons and neutrons
b)
electrons and neutrons
c)
protons and electrons
6.
A proton has a ___________ charge.
a)
positive
b)
negative
c)
neutral
7.
The electrons are in the electron _________.
a)
region
b)
area
c)
cloud
8.
An electron has a ___________ charge.
a)
positive
b)
negative
c)
neutral
9.
Protons, neutrons, and electrons are called ____________ particles.
a)
atomic
b)
subatomic
c)
nucleus
10.
What so the blue circles represent?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
11.
What do the red circles represent?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
12.
What do the black circles represent?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
13.
What do the red and blue circles represent?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
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