Physical & Chemical Changes
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
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.
Tags
NGSS.MS-PS1-4
2.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A chemical change is a change that results in the formation of new chemical substances, involving a rearrangement of atoms.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
FLASHCARD QUESTION
Front
List three indicators of a chemical change.
Back
1. Change in color 2. Production of gas 3. Formation of a precipitate
Tags
NGSS.MS-PS1-2
4.
FLASHCARD QUESTION
Front
What is an example of a physical change?
Back
Melting ice is an example of a physical change, as it changes from solid to liquid without changing its chemical structure.
Tags
NGSS.MS-PS1-4
5.
FLASHCARD QUESTION
Front
What is an example of a chemical change?
Back
Burning wood is an example of a chemical change, as it transforms into ash and gases, creating new substances.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
FLASHCARD QUESTION
Front
What is the difference between a physical change and a chemical change?
Back
A physical change does not alter the chemical composition of a substance, while a chemical change results in the formation of new substances.
Tags
NGSS.MS-PS1-4
7.
FLASHCARD QUESTION
Front
What does it mean when a change is reversible?
Back
A reversible change is one that can be undone, returning the substance to its original state, typically associated with physical changes.
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