What is density?
Structures and Properties of Matter

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•
Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Density is the mass of an object divided by its volume, typically expressed in grams per cubic centimeter (g/cm³).
2.
FLASHCARD QUESTION
Front
How do you calculate density?
Back
Density = Mass / Volume.
3.
FLASHCARD QUESTION
Front
What is a chemical property?
Back
A chemical property is a characteristic of a substance that becomes evident during a chemical reaction, such as flammability or reactivity.
4.
FLASHCARD QUESTION
Front
What is the difference between a physical change and a chemical change?
Back
A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.
5.
FLASHCARD QUESTION
Front
What is surface tension?
Back
Surface tension is the property of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.
6.
FLASHCARD QUESTION
Front
What happens to gas volume when thermal energy is added at constant pressure?
Back
The volume of the gas increases.
7.
FLASHCARD QUESTION
Front
What are thermal energy and light in the context of combustion?
Back
Thermal energy is the heat produced during combustion, and light is the visible energy released.
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