scientific method
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| what is the hypothesis? | idea that will be tested by an investigation
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| what is an example of a hypothesis? | why do icebergs float
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| when can a hypothesis not be tested ? | when the technology needed does not exist
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| what is an example of a hypothesis that cannot be tested? | life exists in other solar systems
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| what do scientists set out to do with their hypothesis? | not to prove its true but to show at this point in time it is not false
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| what is the scientific method ? | a series of steps scientists follow to investigate natural occurrences that can be tested
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| what is a natural occurrence? | anything that happens in nature that is not controlled by humans
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| what is an example of a natural occurrence? | an iceberg floating on water
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| what is an observation? | a clear question that must be asked to begin a scientific investigation
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| what is a theory? | a hypothesis that has been tested by scientists many times and has yet to be proven false
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| what is an example of a theory? | the big bang
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| whats another word for natural occurrences? | natural phenomea
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| what are the first things you need to do before you carry out your investigation? | decide what equipment to use and what method to follow and be able to give good reasons as to why you have made these decisions
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| what is a variable? | is any factor that can be changed measured or controlled in an investigation
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| what are they different types of variables? | independent variable(the one that you change) the dependent variable(the one you change as a result of changing the independent variable) controlled(fixed)variables ( all the other variables that are kept the same)
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| what should a reliable method be? | reproducible(if somebody follows your method they should be able to collects data similar to yours) and repeatable (if you repeat the investigation you should collect and record similar data each time
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| what is primary data? | the data collected by the person carrying out the investigation eg roll call at the start of class as your teacher is collecting it
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| what is secondary data? | data is collected by someone other than the person carrying out the investigation
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| what is quantitative data? | the data collected in numbers
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| what is the other name for quantitative data? | numerical?
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| what is qualitative data? | data recorded using descriptive words eg eye colour or gender
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| what is another name for qualitative data? | categorical data
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| what are some ways of presenting data in a qualitative (nominal or ordinal) way? | pie chart, bar chart and line plot
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| what are some ways of presenting data in a quantitative (discrete) way? | bar charts, pie charts and stem and leaf diagrams
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| what are some ways of presentin g data in a quantitative (continuous) way? | scatter plot and histogram
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Created by:
angel555
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