Pure Substances and Mixtures Assessment
Authored by Lawrence Hardin Shearer
Science
8th Grade
NGSS covered
Used 3+ times
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59 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a pure substance?
A substance made up of different types of atoms
A substance that is always made up of the same combination of atoms
A mixture of elements and compounds
A substance that changes its composition frequently
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a pure substance?
Trail mix
Soda
Water molecules
Air
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What defines a mixture?
A single element
A compound with a fixed ratio
Two or more substances physically blended but not chemically bonded
A pure substance with a constant composition
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a mixture?
Gold
Trail mix
Soda
Air
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a heterogeneous mixture?
A mixture where substances are evenly mixed
A mixture where substances are not evenly mixed
A mixture that is chemically bonded
A mixture that is a pure substance
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a homogeneous mixture?
Trail mix
Brass
Sand and water
Oil and vinegar
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is another name for a homogeneous mixture?
Compound
Solution
Element
Suspension
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