Chemistry Unit Review 2.0
Flashcard
•
Science
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a physical change?
Back
A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Example: Getting a haircut.
2.
FLASHCARD QUESTION
Front
What is condensation?
Back
Condensation is the process of changing from a gas to a liquid. Example: Water droplets forming on a cold glass.
3.
FLASHCARD QUESTION
Front
What is mass?
Back
Mass is the amount of matter in an object, typically measured in grams or kilograms.
4.
FLASHCARD QUESTION
Front
What is sublimation?
Back
Sublimation is the process of changing directly from a solid to a gas without passing through the liquid state. Example: Dry ice turning into carbon dioxide gas.
5.
FLASHCARD QUESTION
Front
What type of bond forms when a nonmetal combines with another nonmetal?
Back
Covalent bond.
6.
FLASHCARD QUESTION
Front
What is the difference between mass and weight?
Back
Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.
7.
FLASHCARD QUESTION
Front
What is vaporization?
Back
Vaporization is the process of changing from a liquid to a gas. Example: Water boiling to form steam.
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