Physical Science A Final
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What type of reaction is represented by the equation Pb(NO3)2 → PbO + NO2 + O2?
Back
Decomposition reaction: A reaction where a single compound breaks down into two or more simpler products.
2.
FLASHCARD QUESTION
Front
What is a candle wick burning an example of?
Back
Chemical reaction: A process that involves the transformation of substances.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
FLASHCARD QUESTION
Front
What are the subatomic particles that make up an atom?
Back
Electrons, protons, and neutrons.
Tags
NGSS.MS-PS1-1
4.
FLASHCARD QUESTION
Front
What does a chemical reaction involve?
Back
A process that changes the composition of substances, resulting in the formation of new substances.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
FLASHCARD QUESTION
Front
What is the difference between a chemical property and a physical property?
Back
Chemical properties describe a substance's ability to undergo changes that transform it into different substances, while physical properties can be observed without changing the substance's composition.
6.
FLASHCARD QUESTION
Front
What is an example of a physical property?
Back
Color, boiling point, and density are examples of physical properties.
7.
FLASHCARD QUESTION
Front
What is a synthesis reaction?
Back
A reaction where two or more substances combine to form a new compound.
Tags
NGSS.MS-PS1-1
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