Unit 2 Chemical and Physical Properties
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
Change from one substance to another is a ______________change
Back
chemical
2.
FLASHCARD QUESTION
Front
Substances that are made up of atoms that are all alike are known as ____________
Back
Elements
3.
FLASHCARD QUESTION
Front
A substance made of two or more elements chemically combined is called a ____________
Back
Compound
4.
FLASHCARD QUESTION
Front
What is a physical change?
Back
A change that does not alter the chemical composition of a substance, such as melting ice.
5.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A change that results in the formation of new chemical substances, such as burning wood.
6.
FLASHCARD QUESTION
Front
What is a mixture?
Back
A combination of two or more substances that are not chemically bonded.
7.
FLASHCARD QUESTION
Front
What is density?
Back
Density is the mass of a substance divided by its volume.
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