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WorksheetsScientific Method, Errors, Accuracy & Reliability Revision
Total questions: 23
Worksheet time: 16mins
Independent variable is/are
The 1 variable that is changed.
What is being measured.
Variables that are kept the same.
The two or more variables that are changed.
Dependent variable is/are
The 1 variable that is changed.
The variable that is measured.
The variable that is kept the same.
The two or more variables that are changed
To ensure results are reliable the experiment should be
Done once
Repeated
Done as exactly the same as the method outlines
Repeated if necessary
A reliable experiment produces results which
are consistent
vary greatly
are different from sample answers
are not consistent
Using good equipment and good techniques increases:
Accuracy
Validity
Reliability
Which of these is an Accuracy technique:
Using a phone to video the ball bounce
Keeping the person dropping the ball the same
Repeating each trial 5 times then averaging
Not changing the ball in the middle of the experiment
How close a measurement is to the accepted value is called..
Accuracy
Precision
Significant
Estimate
Reliability refers to the extent to which result are (a)
the variable in an experiment that constant and unchanged
controlled
manipulated
responding
observe
Careful watching
looking
recording
observation
data
Commonly conducted to test a hypothesis
variable
science
data
experiment
What is the final step in the scientific method?
Write a conclusion about your results
Record and analyze the data
Form a hypothesis
Research your topic
What is the purpose of the scientific method?
To solve problems and create experiments
To research new information
To practice safety
To become a scientist
Jennifer wants to know if students do better on their homework if they listen to classical music or hip hop music. What is the independent variable in this experiment?
Students' grades on homework
The age of the students
The volume of the music
The type of music
What is the first step in the scientific method?
Form a hypothesis
Make an observation and ask a question about it
Research your topic
Record and analyze data
