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WorksheetsScientific Variables Practice
Total questions: 15
Worksheet time: 13mins
Read the following question: “Which brand of paper towel will absorb the most liquid?” If you were to perform an experiment to answer the question, what would the independent variable be?
Amount of liquid absorbed
Color of paper towel
time taken to clean
Read the following question: “Which brand of paper towel will absorb the most liquid?” If you were to perform an experiment to answer the question, what would the dependent variable be?
amount of liquid absorbed
color of paper towel
time it takes to clean
Zach wants to determine if the amount of time spent on social media has an effect on grades at school. What is the independent variable?
time on social media
computer skills
good/poor grades
time spent studying
Zach wants to determine if the amount of time spent on social media has an effect of grades at school. What is the dependent variable?
popularity
good/poor grades
time on social media
computer skills
A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease (go down)." What is the independent variable?
Whether salt is added or not
Boiling Point
Amount of water
What is the Independent variable?
what we are changing or testing in the experiment
what we are observing or measuring in the experiment
what we keep the same to make the experiment fair
What is the dependent variable?
what we are changing or testing in the experiment
what we are observing or measuring in the experiment
what we are keeping the same to make the experiment fair
What are the controlled variables or constants?
what we are changing or testing in an experiment
what we are observing or measuring in an experiment
what we keep the same for all setups or groups to ensure a controlled experiment.
In an experiment where you see how the height of a roller coaster track affects the speed of a roller coaster, the weight of the roller coaster used is what type of variable?
dependent variable
independent variable
controlled variable or constant
none of these
In an experiment where you see how the height of a roller coaster track affects the speed of a roller coaster, what is the independent variable?
the height of the track
the weight of the roller coaster
the speed of the roller coaster
none of these
In an experiment where you see how the height of a roller coaster track affects the speed of a roller coaster, what is the dependent variable?
the height of the track
the weight of the roller coaster
the speed of the roller coaster
none of these
This part of the experiment serves as a basis of comparison and does not get the independent variable.
control group/setup
Independent variable
dependent variable
experimental group/setup
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and soil. In this investigation, the independent variable is ...
The growth of the plant
the amount of sunlight
the type of soil
the type of liquid given
A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease (go down)." In the experiment the control group or setup would be a pot of water
with NO salt added
with 1 cup of salt added
with sugar added
In an experiment testing brands of paper to see which will absorb the most liquid, what would be a controlled variable or constant in the experiment?
The brand of paper towel
The amount of liquid absorbed
The type of liquid used, ex water
