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WorksheetsWorking Scientifically 1
Total questions: 8
Worksheet time: 4mins
What is the definition of an independent variable?
The variable which is changed in an investigation.
The variable which is measured in an investigation.
The variable which stays the same in an investigation.
What is the definition of a control variable?
The variable which is changed in an investigation.
The variable which is measured in an investigation.
The variable which stays the same in an investigation.
Which of these is the correct description of repeatable results?
A different experimenter repeats the investigation using the same method and same equipment, and obtains the same results.
The original experimenter repeats the investigation using the same method and equipment and obtains the same or precise results.
A different experimenter repeats the investigation using the same method but different equipment, and obtains the same results.
The original experimenter repeats the investigation using a different method and obtains the same results.
Which of these is the correct description of reproducible results?
A different experimenter repeats the investigation using the same method and same equipment, and obtains the same results.
The original experimenter repeats the investigation using the same method and equipment and obtains the same or precise results.
A different experimenter repeats the investigation using the same method but different equipment, and obtains the same results.
The original experimenter repeats the investigation using a different method and obtains the same results.
Which of these is the correct conversion from kg to g.
Multiply by 10
Multiply by 1000
Divide by 10
Divide by 1000
Which piece of equipment would you use to precisely measure a volume of 20cm3 hydrochloric acid?
A pipette
A 100cm3 beaker
A measuring cylinder
Which of these is the correct conversion from cm3 to dm3?
Multiply by 10
Multiply by 1000
Divide by 10
Divide by 1000
Calculate the mean of these results: 55cm, 53cm, 52cm, 32cm, 54cm (round your answer to 1dp).
49
50
53
54
