Sci 8 Final Exam Review Unit 1 and 2
Authored by Joy Cristobal
Specialty
9th - 12th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the best example of a mechanical mixture?
Salt dissolved in water
Oil and vinegar salad dressing
Air
Sugar in tea
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for a solution that cannot dissolve any more solute at a given temperature?
Dilute
Saturated
Concentrated
Supersaturated
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does a cold soda appear to sweat on a hot day?
The soda is evaporating
The gas inside is condensing
Water vapor condenses on the cold can
The can is leaking
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following will decrease the rate at which a solid solute dissolves in a liquid?
Stirring the solution
Increasing temperature
Crushing the solute
Using colder water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Viscosity describes:
The taste of a substance
The ability of a fluid to flow
The solubility of a mixture
The density of an object
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which process is used to separate a solid that has dissolved in a liquid?
Filtration
Decanting
Evaporation
Magnetic separation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A liquid with high viscosity will:
Flow quickly
Have a strong smell
Flow slowly
Be more dense
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