What is an independent variable in an experiment?
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Science
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8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The independent variable is the factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.
2.
FLASHCARD QUESTION
Front
What is deforestation?
Back
Deforestation is the removal of large numbers of trees from an area, often to make space for development.
3.
FLASHCARD QUESTION
Front
How does deforestation impact the carbon cycle?
Back
Deforestation decreases the amount of carbon dioxide removed from the atmosphere, contributing to climate change.
4.
FLASHCARD QUESTION
Front
Through which medium does sound travel fastest?
Back
Sound travels fastest through solids.
5.
FLASHCARD QUESTION
Front
What is an astronomical unit (AU)?
Back
An astronomical unit (AU) is a standard unit of measurement used to describe distances in space, equal to the average distance from the Earth to the Sun.
6.
FLASHCARD QUESTION
Front
Why are astronomical units used instead of kilometers or miles for measuring distances in space?
Back
One AU represents a large distance, making it easier to compare vast distances between space objects.
7.
FLASHCARD QUESTION
Front
What is a control variable in an experiment?
Back
A control variable is a factor that is kept constant to ensure that the results of the experiment are valid.
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