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6TH GRADE SCIENCE CHAPTER 2 TEST REVIEW GAME
Test Description: CHEMISTRY UNIT
Instructions: Answer all questions to get your test result.
1) A ballon expands as it becomes warmer
A
Physical Change
B
Chemical Change
2) A soda bubbles and foams when you open it.
A
Physical Change
B
Chemical Change
3) Developing a photograph
A
Chemical change
B
Physical Change
4) A substance changes color-think coloring hair
A
Chemical change
B
Physical Change
5) Shooting off fireworks
A
Physical Change
B
Chemical Change
6) Breaking a glass
A
Chemical Change
B
Physical Change
7) Is this an element or a compound? C6H12O6
A
Compound
B
Element
C
I don't know
8) Is this a molecule or a compound? H2O
A
Compound
B
Both
C
Molecule
9) Is this an element or a molecule? He
A
Molecule
B
Element
10) How many atoms does Hydrogen have? C6H12O6
A
2
B
6
C
12
11) How many atoms does Oxygen have? CO2
A
5
B
2
C
12
D
1
12) Calcium has an atomic number of 20, with a mass of 40.078. What is the proton count for Calcium
A
40
B
80
C
2
D
20
13) Calcium has an atomic number of 20, with a mass of 40.078. How many neutrons does Calcium have?
A
20
B
30
C
50
D
40
14) Calcium has an atomic number of 20, with a mass of 40.078. What period is Calcium in on the periodic table?
A
7
B
2
C
4
D
3
15) Calcium has an atomic number of 20, with a mass of 40.078. What group is Calcium in?
A
2
B
15
C
18
D
10
16) Luster is a property that describes the shininess of a metal.
A
True
B
False
17) A pot has a copper bottom to better transfer heat to the food being cooked. Which property of metals is being used?
A
Conductivity
B
Ductility
C
Luster
D
Malleability
18) If a metal is malleable, it can not be rolled into thin sheets, or bent into complex shapes.
A
True
B
False
19) What is the formula for calculating density
A
D=M/V
B
M=D
C
D=M*V
D
D=V/M
20) A chemical change must have which of the following results?
A
The substance changes its form or shape
B
A new substance with different properties forms
C
The substance changes state
D
Energy is released
*select an answer for all questions
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