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Science Grade 8
Test Description: Science
Instructions: Answer all questions to get your test result.
1) Define term sublimation
A
Process where solid state changes directly to gas state without going through a liquid state
B
Neither
C
Process where a solid state changes
D
Changing process
2) Rocks make soil through the process called
A
whetering
B
Weathering
C
Neither
D
Earhring
3) Name 2 processes that occur in rocks caused by high and low tempreatures
A
all
B
expansion
C
Neither
D
contraction
4) What happens to the particles making up the rocks service when the sun is shining
A
All
B
Particles move faster and further apart
C
Temperature increases
D
Kinetic energy increases
5) What is a chemical compound
A
A compound
B
A substance made up of more than one different element chemically joined to each other
C
Neither
D
A substance made of different elements
6) Name the products formed in a chemical reaction
A
both
B
mercury
C
Neither
D
oxygen
7) Mixture
A
Combination
B
Impure substance
C
Neither
D
Pure subtance
8) Compound
A
Mixture
B
Neither
C
Pure substance
D
Elements
9) Compound
A
The different elements are chemically joined together
B
Neither
C
Seperated
D
Bind together
10) Mixture
A
mixture
B
Bind together
C
The different elements are not chemically joined together
D
neither
*select an answer for all questions
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