Match the following terms to the correct definitions:
Draggable item
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Corresponding Item
Controlled Variable
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The variable which is manipulated or changed during the experiment
Independent Variable
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The variable that is the actual measured or observed outcome of the testing. What happens to this variable DEPENDS on how the independent variable is changed or manipulated.
Dependent Variable
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All other variables that must remain the same during the experiment and/or testing in order to validate the independent variable.
Required
1 point
1
Question 2
2.
Identify the variables in the scenario below:
Draggable item
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Corresponding Item
Independent Variable
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Radish Seeds
Dependent Variable
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Oxygen
Controlled Variable
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200 mL of water
Required
1 point
1
Question 3
3.
Match the following Scientific Method Step to the correct description:
Draggable item
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Corresponding Item
Analyze Data
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Does the type of exercise I do affect my heart rate?
Report Conclusion
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Before starting, you research how to measure your heart rate and different exercise types.
Scientific Question
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You measure your resting heart rate. You briskly walk for 2 minutes and then measure your heart rate. You jump rope for 2 minutes and then measure your heart rate.
Controlled Variable
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Exercise Type
Research
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Heart Rate
Dependent Variable
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measuring for 2 minutes each exercise
Experiment
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You average your heart rates for each exercise type & create a graph comparing the two averages
Independent Variable
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You draw a conclusion based upon your data & graph
Required
1 point
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Question 4
4.
Identify the Independent Variable in the Scientific Question below:
Does the amount of light affect the growth of a beanstalk in height?
Required
1 point
1
Question 5
5.
Identify the Dependent Variable in the Scientific Question below:
Does the amount of light affect the growth of a beanstalk in height?
Required
1 point
1
Question 6
6.
Identify the Independent Variable in the Scientific Question below:
Does the speed of a car affect the distance it jumps from a ramp?
Required
1 point
1
Question 7
7.
Identify the Dependent Variable in the Scientific Question below:
Does the speed of a car affect the distance it jumps from a ramp?
Required
1 point
1
Question 8
8.
A student hypothesized that the amount of sunlight a sunflower plant receives determines the number of sunflower seeds the plant produces. In her experiment, the number of seeds produced is the __________
Required
1 point
1
Question 9
9.
The table shows the steps of the scientific method in the wrong order. Place the numbers in the correct order:
E - ask question
C - perform experiment
A - form hypothesis
D - communicate results
B - analyze data
Required
1 point
1
Question 10
10.
A student has a wagon of a certain mass. He plans to investigate how the acceleration of the wagon changes as the force he exerts on it increases.
Which variable is the acceleration of the wagon?
Required
1 point
1
Question 11
11.
A student has a wagon of a certain mass. He plans to investigate how the acceleration of the wagon changes as the force he exerts on it increases.
Which variable is the force he exerts on the wagon?
