Variables in Science Experiments: Practice!
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a dependent variable in a scientific experiment?
Back
The variable that we measure or observe to see how it responds to changes.
2.
FLASHCARD QUESTION
Front
What is an independent variable in a scientific experiment?
Back
The variable that we deliberately change or manipulate to see its effect.
3.
FLASHCARD QUESTION
Front
What is a controlled variable in a scientific experiment?
Back
A factor that we keep constant to ensure a fair test.
4.
FLASHCARD QUESTION
Front
What is the purpose of a control group in an experiment?
Back
To provide a standard for comparison against the experimental group.
5.
FLASHCARD QUESTION
Front
How does changing the length of a pendulum affect its swing time?
Back
The length of the pendulum is the independent variable, and the swing time is the dependent variable.
6.
FLASHCARD QUESTION
Front
What is the relationship between sunlight and plant growth in an experiment?
Back
Sunlight is the independent variable, and plant growth is the dependent variable.
7.
FLASHCARD QUESTION
Front
Why is it important to keep certain variables constant in an experiment?
Back
To ensure that the test is fair and that the results are valid.
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