WorksheetsScience investigations
Total questions: 20
Worksheet time: 40mins
What is the variable that is changed?
dependent
independent
control
none of these
What is the variable that is kept the same?
independent
dependent
control
reliable
Why do repeat readings in an experiment?
to reduce random errors
to be able to calculate a mean
to check the resolution
more than one of these
Florence and Max are planning an experiment for their physics class to find out how the height from which Max drops a basketball affects how high the basketball bounces back. What is the control variable in their experiment?
The basketball used by Max
The height the basketball bounces back
Height from which Max drops the basketball
Hypothesis: If we increase the length of string on a pendulum, then it will a take longer time period to make one complete cycle back and forth.
What is the independent variable in this investigation?
Time period
Number of cycles
Length of string
Amount of mass on end of string
What is the dependent variable?
Height (cm)
Location of Plant
Day(s)
Type of Plant
What is the independent variable?
Height (cm)
Location of Plant
Day(s)
Type of Plant
Identify the word that means ;
"the smallest measurement a piece of apparatus can measure'.
scale
retribution
resolution
amount
If you repeat a set of results three times, you are increasing the ....
reproducibility
precision
accuracy
repeatability
If you compare your results with many different groups and you find a similar pattern, you are increasing the ....
reproducibility
precision
accuracy
repeatability
Do the following results show good repeatability?
205, 310, 203, 407
yes
no
In a series of repeat measurements, the results show 230, 232, 229 350 and 231 centimetres. Which is the anomalous result (also called the anomaly)?
230
229
350
231
The X axis is labeled with
the control variable
the independent variable
the sample variable
dependent variable
In a fair test you should...
only change one thing
change everything
change nothing
Anomalous results can be caused by...
using inaccurate measuring equipment
rushing the experiment
not repeating your measurements
any of the above
