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Worksheets6 Weeks Test Review
Total questions: 22
Worksheet time: 18mins
Name
Class
Date
1.
CALCIUM
a)
C
b)
Ca
c)
Cu
d)
Cl
2.
CARBON
a)
C
b)
Ca
c)
Cl
d)
Cu
3.
SILICON
a)
S
b)
Si
c)
Su
d)
Sc
4.
SULFUR
a)
Su
b)
S
c)
Sf
d)
Si
5.
IRON
a)
I
b)
Ir
c)
F
d)
Fe
6.
HYDROGEN
a)
H
b)
He
c)
Hy
d)
Hd
7.
ALUMINUM
a)
Al
b)
Au
c)
Ag
d)
Am
8.
NITROGEN
a)
N
b)
Ne
c)
Ni
d)
Nt
9.
OXYGEN
a)
O
b)
Ox
c)
Oy
d)
Og
10.
An example of matter made of only one element is
a)
water
b)
gold bar
c)
light bulb
d)
salad mixture
11.
What element is found in all four areas of the earth that we studied?
a)
Sodium (Na)
b)
Oxygen (O)
c)
Carbon (C)
d)
Nitrogen (N)
12.
Element is a
a)
pure substance
b)
compound
c)
mixture
d)
molecule
13.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
14.
a)
1
b)
2
c)
3
d)
4
15.
a)
1
b)
2
c)
3
d)
4
16.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
17.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
18.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
19.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
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.
What is an example of a Chemical change?
a)
Ripped paper
b)
boiled egg
c)
cracked egg
d)
sugar in water
22.
Which is a chemical change?
a)
freezing fruit juice
b)
slicing a potato
c)
boiling water
d)
copper metal turning green
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