Physical and Chemical Changes
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A change where one or more new substances are created.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
FLASHCARD QUESTION
Front
What are the signs of a chemical change evident in a fire?
Back
Color change, producing heat, light produced, all of the above.
Tags
NGSS.MS-PS1-2
3.
FLASHCARD QUESTION
Front
What is the main difference between a chemical change and a physical change?
Back
Chemical changes the substance's identity; physical does not.
Tags
NGSS.MS-PS1-2
4.
FLASHCARD QUESTION
Front
What is an example of a physical change?
Back
The melting of wax.
Tags
NGSS.MS-PS1-4
5.
FLASHCARD QUESTION
Front
Why is dissolving candy considered a physical change?
Back
Because a new substance is NOT formed, and this can be reversed.
6.
FLASHCARD QUESTION
Front
What happens to the identity of a substance during a chemical change?
Back
The identity of the substance changes.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
FLASHCARD QUESTION
Front
Can physical changes be reversed?
Back
Yes, physical changes can often be reversed.
Tags
NGSS.MS-PS1-4
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