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WorksheetsSkills
Total questions: 14
Worksheet time: 8mins
Jane wants to determine what Chocolate is the favourite between her classmates. This is an example of:
An aim
An hypothesis
An investigative question
Conclusion
The dependent variable will be?
Jane
Her classmates
Type of chocolate
The day
The independent variable will be..
Type of chocolate
Jane
The Day
Classmates
The favourite chocolate will be bar-one.
This is the aim
This is the hypothesis
This is an investigative question
This is the conclusion
The best graph for Jane to show her results will be a ...
Line graph
Bar graph
For any graph you need to have the following:
Heading
Axes labels with units
Key
Constant scale
Which of the following is NOT a planning step in Jane's experiment?
Decide the time
Decide the type of chocolates
Ask the questions
Get consent from participants
Josh wants to know what effect does exercise have on his heartrate. Provide a suitable aim:
To determine the effect of exercise on heartrate
Will exercise affect heartrate?
Exercise will increase heartrate
Exercise will decrease heartrate
Provide an hypothesis for Josh's investigation
Exercise will increase heartrate
Exercise will decrease heartrate
What will the effect of exercise be on heartrate?
To determine the effect of exercise om heartrate
An example of a controlled variable for Josh's experiment will be:
Heartrate
Type of exercise
Person performing the experiment
Time of day
How can Josh make his experiment more reliable?
Increase sample size
Control all variables except variable being measured.
Repeat investigation
Random samples
How can Josh make his experiment more valid?
Increase sample size
Control all variables except variable being measured.
Repeat investigation
Random samples
If his heartbeat was 67 before exercise and 102 after exercise. Calculate the percentage increase in heartrate.
52%
100%
34%
None of the above
5 science learners scored the following on their test out of 30.
Learner 1 - 24
Learner 2 - 29
Learner 3 - 16
Learner 4 - 20
Learner 5 - 6
Calculate the average of the test.
19/30
20/30
63%
None if the above
