What is speed?
Retest EOU 18wk

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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Speed is the distance traveled per unit of time, measured in meters per second (m/s).
2.
FLASHCARD QUESTION
Front
What is velocity?
Back
Velocity is the speed of an object in a specific direction.
3.
FLASHCARD QUESTION
Front
How do speed and velocity differ?
Back
Velocity includes direction, while speed does not.
4.
FLASHCARD QUESTION
Front
What is average speed?
Back
Average speed is the total distance traveled divided by the total time taken.
5.
FLASHCARD QUESTION
Front
Calculate the average speed: A dog runs 60 m in 20 s and then 40 m in 20 s.
Back
Average speed = (60 m + 40 m) / (20 s + 20 s) = 2.5 m/s.
6.
FLASHCARD QUESTION
Front
What is acceleration?
Back
Acceleration is the rate of change of velocity per unit of time.
7.
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.
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