Unit C Pre-Test
Flashcard
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Quizizz Content
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Science
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7th Grade
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Hard
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15 questions
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1.
FLASHCARD
Front
What is a property that can be used to identify a material?
Back
Flexibility, Color, Density are properties used to identify materials. Shape is NOT a property used for identification.
2.
FLASHCARD
Front
What are the monomers in a polymer?
Back
The monomers in a polymer are joined together.
3.
FLASHCARD
Front
What is a desirable outcome given up for another desirable outcome called?
Back
A trade-off.
4.
FLASHCARD
Front
Which of the following is a compound: N, Na, CO, Ca?
Back
CO (Carbon Monoxide) is a compound.
5.
FLASHCARD
Front
What is a material defined as?
Back
A material is defined as any solid matter used to make things.
6.
FLASHCARD
Front
What is flexibility in materials?
Back
Flexibility is the ability of a material to bend without breaking.
7.
FLASHCARD
Front
What is density?
Back
Density is the mass of a substance divided by its volume.
8.
FLASHCARD
Front
What is the difference between a mixture and a compound?
Back
A mixture is a combination of two or more substances that retain their individual properties, while a compound is a substance formed when two or more elements are chemically bonded.
9.
FLASHCARD
Front
What is a decision?
Back
A decision is a choice made after considering options.
10.
FLASHCARD
Front
What is a dilemma?
Back
A dilemma is a situation in which a difficult choice has to be made between two or more alternatives.
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