Flashcards
Unit 1.3
Cards in this deck (16)
- 1Define 'fair test'An experiment where one variable is changed.
- 2Define 'control group'The experimental conditions of this group are identical to the experimental group. except that the independent variable is also kept constant.
- 3Define 'experimental group'the experimental conditions of this group are identical to the control group. except that the independent variable is changed.
- 4What are repeat trials?Repeating the same experiments many times to ensure that the results can be reproduced.
- 5reliability?the ability to consistently reproduce results.
- 6Replication?When duplicate sets of an experiment run at the same time.
- 7To conduct a scientific experiment correctly, why must the procedure used be reliable and in sufficient detail?To allow other scientists to repeat the experiment.
- 8When taking a measurement, what 4 things should you check?1- Check the measuring instrument.
2- Look straight at the measuring scale.
3-Check your measurement. is it right?
4-Check that the numbers of your data are written in a consistent format. - 9Define 'Objective'Free of personal bias.
- 10Define 'Subjective'Influences by personal views.
- 11What are the two types of data?Quantitative and Qualitative.
- 12What is Qualitative data.Data recorded as words or descriptions.
- 13Define Quantitative.Data recorded as numbers.
- 14What are the two types of Quantitative data?Discontinuous and continuous data.
- 15What is discontinuous (discrete) data?Data that can be counted.
Examples are; the number of students in a class, the result of rolling two dice. - 16What is continuous data?Data measured within a range.
Examples would be; the weight of a dog, a person's height, the length of a leaf.
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- Cambridge science Flashcards on Unit 1.3, created by Nour AD on 15/02/2018.
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- Nour AD
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