
Semester Review 2024
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens to the total mass of a chemical reaction as it takes place?
Back
The mass ALWAYS stays the same.
2.
FLASHCARD QUESTION
Front
What does a speed graph indicate when an object is traveling at constant speed?
Back
The object is moving without changing its speed.
3.
FLASHCARD QUESTION
Front
If Car A has an acceleration of 40 m/s² and Car B has an acceleration of 60 m/s², which car had the greater force applied to it?
Back
Car B had the greater force applied to it.
4.
FLASHCARD QUESTION
Front
Which law explains why the total mass doesn't change during a chemical reaction?
Back
Law of Conservation of Mass.
5.
FLASHCARD QUESTION
Front
How is speed defined in physics?
Back
Speed is defined as distance/time.
6.
FLASHCARD QUESTION
Front
What is the Law of Conservation of Mass?
Back
It states that mass is neither created nor destroyed in a chemical reaction.
7.
FLASHCARD QUESTION
Front
What is acceleration?
Back
Acceleration is the rate of change of velocity of an object.
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