WorksheetsYear 8 Chemistry Revision
Total questions: 34
Worksheet time: 24mins
Name
Class
Date
1.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
2.
What is the chemical symbol for Lithium?
a)
H
b)
He
c)
Li
d)
N
3.
Which element is not a metal?
a)
H
b)
Re
c)
Al
d)
B
4.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
5.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
6.
Freezing
a)
Solid to gas
b)
Liquid to solid
c)
Gas to solid
d)
Liquid to gas
7.
Boiling
a)
liquid to gas
b)
gas to solid
c)
gas to liquid
d)
solid to liquid
8.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
9.
Define a liquid.
a)
Indefinite shape, indefinite volume
b)
Definite shape, definite volume
c)
Found in stars
d)
Definite volume, indefinite shape
10.
The state of matter that has no definite size or shape is
a)
Solid
b)
Liquid
c)
Gas
11.
Particles (molecules) in a ______________________ have more energy than the other states of matter.
a)
gas
b)
solid
c)
liquid
12.
What term describes a solid changing to a gas?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
13.
Which has a greater distance between particles?
a)
Solid
b)
Liquid
14.
A physical change is...
a)
a change that doesn't create something new
b)
a change that makes something new.
c)
a chemical reaction
15.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
16.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
17.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
18.
Is corroding metal a chemical or physical change?
a)
physical
b)
chemical
19.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
20.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
21.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
22.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
23.
GOLD
a)
Al
b)
Ag
c)
Ar
d)
Au
24.
CALCIUM
a)
C
b)
Ca
c)
Cu
d)
Cl
25.
SILVER
a)
Au
b)
Ag
c)
Al
d)
Ar
26.
SULFUR
a)
Su
b)
S
c)
Sf
d)
Si
27.
Elements are made of
a)
Many types of atoms
b)
the Periodic Table
c)
One type of Atom
d)
Molecules
28.
Molecules are
a)
2 atoms bound together
b)
2 elements bound together
c)
2 or more atoms mixed together
d)
2 or more atoms bound together
29.
What molecule is this?
a)
Carbon Dioxide
b)
Methane
c)
Water
d)
Sodium Chloride
30.
What molecule is this?
a)
Carbon Dioxide
b)
Methane
c)
Water
d)
Sodium Chloride
31.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
32.
which one can be found on the periodic table
a)
Compound
b)
Element
33.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
34.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
100 %
