HOMS Review: Changes in Matter
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process that involves the transformation of one or more substances into different substances, often accompanied by energy changes.
2.
FLASHCARD QUESTION
Front
What is an example of evidence of a chemical reaction?
Back
When sugar is burned, it gives off an odor, turns brown, and then black.
3.
FLASHCARD QUESTION
Front
What is the smallest particle in an element or compound?
Back
An atom.
4.
FLASHCARD QUESTION
Front
What type of change is rusting metal?
Back
Chemical change.
5.
FLASHCARD QUESTION
Front
What is a physical change?
Back
A change that affects one or more physical properties of a substance without altering its chemical composition.
6.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A change that results in the formation of new chemical substances.
7.
FLASHCARD QUESTION
Front
What is a compound?
Back
A substance formed when two or more elements chemically bond together.
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