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WorksheetsVariables in Experiments
Total questions: 25
Worksheet time: 13mins
What is the independent variable in an experiment?
The thing we measure
The thing we change or test
The thing we keep the same
The result we are looking for
What is the dependent variable in an experiment?
The thing we keep the same
The thing we change or test
The thing we measure or see how it changes
The thing that affects the independent variable
What are control variables in an experiment?
Things we change to see what happens
Things we measure to see the results
Things we keep the same during the experiment
Things that show the result of the experiment
In an experiment testing how different amounts of light affect plant growth, what is the independent variable?
How the plant grows
The type of plant
How much light the plant gets
The type of soil
In the same experiment, what is the dependent variable?
The type of plant
How much light the plant gets
The type of soil
How tall the plant grows
In an experiment testing different fertilizers on plant growth, which thing should we keep the same?
The kind of fertilizer
The amount of fertilizer used
How much water the plant gets
The type of plant
If we are testing how different temperatures affect how fast a chemical changes, what is the independent variable?
How fast the chemical changes
The kind of chemical
The temperature
The amount of chemical
Which of these is NOT something we control in an experiment?
The material used
The amount of the thing we change
How long the experiment lasts
The time of day the experiment happens
If we are studying how different amounts of sleep affect how well someone does on a test, what is the dependent variable?
The amount of sleep
How well they do on the test
The type of test
The person's age
In a study about how different exercises affect weight loss, what is the independent variable?
How much weight is lost
The type of exercise
What the person eats
How long the study lasts
What is a control variable in an experiment testing different cleaning solutions on stains?
The type of cleaning solution
The kind of stain
How much cleaning solution is used
How long you clean the stain
In an experiment testing how different kinds of music affect concentration, what is the independent variable?
How well you concentrate
The kind of music
How long you listen to music
The volume of the music
If the result of an experiment changes with different colors of light, what is the independent variable?
The color of the light
The result of the experiment
The time of day
The type of experiment
What is a control variable in a study about how diet affects energy levels?
The type of diet
How much you exercise
How long the study lasts
Your energy levels
Why do we have a control group in an experiment?
To test the effect of what we are changing
To have something to compare our results to
To change the dependent variable
To add extra variables
In an experiment about how different soils affect plant height, what should we keep the same?
The type of soil
The amount of sunlight
The height of the plant
The type of plant
In an experiment where we see how different pH levels affect enzyme activity, what is the dependent variable?
The pH levels
How well the enzyme works
The type of enzyme
The temperature
In a study on how study time affects test scores, what should we keep the same?
How much time you study
The difficulty of the test
The number of students
The test scores
Which of these is NOT a control variable in a study on different teaching methods and student grades?
The teaching method
The time spent teaching
What the students already know
The subject being taught
In an experiment where we test how different light levels affect plant growth, what is the dependent variable?
The light levels
How tall the plant grows
The type of plant
The type of soil
In a study about how caffeine affects reaction time, what is a control variable?
How much caffeine is taken
The type of reaction time test
The time of day caffeine is taken
The length of the study
In an experiment to see how different pH levels affect enzyme activity, which variable is changed?
How well the enzyme works
The pH levels
The type of enzyme
The temperature
In a study on how different exercises impact heart rate, which of these is a control variable?
The type of exercise
The heart rate
How long you exercise
The age of the participant
If we are testing how different doses of a medicine affect blood pressure, what is the independent variable?
Blood pressure
The amount of medicine
How long the study lasts
The type of medicine
In an experiment about how different teaching methods affect student grades, what is a control variable?
The teaching method
The student grades
How often students attend class
The number of teaching hours
