What is the movement of atoms and molecules in a solid?
Science 7 Final Exam Review

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Science
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7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Atoms and molecules in a solid shake back and forth in place.
2.
FLASHCARD QUESTION
Front
What is an inhibitor in a chemical reaction?
Back
An inhibitor is a substance that slows down or prevents a chemical reaction.
3.
FLASHCARD QUESTION
Front
How is temperature measured?
Back
Temperature is usually measured in degrees with a thermometer.
4.
FLASHCARD QUESTION
Front
What determines whether a substance is a solid, liquid, or gas?
Back
Whether a substance is a solid, liquid, or gas depends on how close its atoms are to one another and how free the atoms are to move.
5.
FLASHCARD QUESTION
Front
What is a catalyst?
Back
A catalyst is a substance that speeds up a chemical reaction without being consumed in the process.
6.
FLASHCARD QUESTION
Front
What is the definition of a molecule?
Back
A molecule is a group of two or more atoms bonded together.
7.
FLASHCARD QUESTION
Front
What is the difference between a solid and a liquid?
Back
In a solid, atoms are closely packed and vibrate in place, while in a liquid, atoms are close but can flow past one another.
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