What is scientific notation?
Matter and Energy - Semester Test

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•
Science
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A method of expressing numbers as a product of a coefficient and a power of 10, making it easier to handle very large or very small numbers.
2.
FLASHCARD QUESTION
Front
How do you convert a number to scientific notation?
Back
Move the decimal point in the number until only one non-zero digit remains to its left, then multiply by 10 raised to the number of places the decimal was moved.
3.
FLASHCARD QUESTION
Front
What is a dependent variable?
Back
The variable that is measured in an experiment; it responds to changes in the independent variable.
4.
FLASHCARD QUESTION
Front
What is an independent variable?
Back
The variable that is changed or controlled in an experiment to test its effects on the dependent variable.
5.
FLASHCARD QUESTION
Front
What is a control variable?
Back
Factors that are kept constant throughout an experiment to ensure that the results are due to the independent variable.
6.
FLASHCARD QUESTION
Front
What is acceleration?
Back
The rate of change of velocity of an object, calculated as the change in velocity divided by the time taken.
7.
FLASHCARD QUESTION
Front
How do you calculate acceleration?
Back
Acceleration = (Final Velocity - Initial Velocity) / Time.
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