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WorksheetsScientific Method Scenarios
Total questions: 15
Worksheet time: 15mins
What step does every scientific experiment begin with?
hypothesis
question/problem
procedures
conclusion
Why do we want to test one variable at a time?
Because it is hard to setup a data table with more
To know what is causing the changes
It is what has always been done
No one really knows
How many variables can be tested in a controlled experiment?
one
two
three
as many as possible
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
Diameter of the ball
Force acting on the ball
Height that the ball bounces
Height from which the ball is dropped
This step of the scientific method is an educated guess or a prediction.
Hypothesis
Research
Observation
Conclusion
The summary at the end of an experiment that explains the results.
conclusion
procedures
materials
responding variable
Which side of a penny will hold more drops of water? Choose the best hypothesis.
If I use the heads side of a penny, then it will hold more drops of water than tails.
Heads
Tails
Tails will hold more drops of water.
What is the first step in the scientific method?
Observation
Hypothesis
Experimentation
Conclusion
In a scientific experiment, what is the purpose of a control group?
To test multiple variables
To serve as a standard for comparison
To ensure the experiment is valid
To increase the sample size
Which of the following is a qualitative observation?
The liquid is blue
The liquid is 50 ml
The temperature is 25°C
The mass is 10 grams
What is the independent variable in an experiment designed to test the effect of sunlight on plant growth?
Amount of water
Type of plant
Amount of sunlight
Growth rate of the plant
A scientist wants to test the effect of temperature on the solubility of a substance. What is the dependent variable?
Temperature
Amount of substance
Solubility
Type of substance
Which step of the scientific method involves analyzing data to reach a conclusion?
Hypothesis
Experimentation
Data Analysis
Observation
In an experiment, why is it important to repeat trials?
To increase the sample size
To ensure the results are consistent
To test different variables
To make the experiment longer
What is a hypothesis?
A proven fact
An educated guess
A random guess
A detailed procedure
