Science Fair Science Fair VocabularyVocabulary

topicpurpose

hypothesisresearch

procedurematerials

experimentconstantvariable

dataresults

conclusion

topic – topic – the subject you study for your project. This should be stated as a question that you must experiment

to answer.

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Purpose/problem – Purpose/problem – the reason for doing your experiment

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hypothesis – hypothesis – the educated guess you make about the outcome of your

experiment

research – research – gathering information from internet resources,

encyclopedias, and non-fiction books

procedure – procedure – the step-by-step instructions for how you carried out

your experiment

materials – materials – the things you need to perform your experiment, along with the amounts of each item. You must

measure!

experiment – experiment – the test you do to find out or prove something.

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constant – constant – the things that stay the same throughout your entire

experiment

It’s really important in a science experiment to be precise. Think about the things you need to control to get the best information from your experiment. Keep thinks like amount of light, temperature, amount you touch or handle your experiment the same. Only change one thing between your tests – the thing you want to test. That’s a controlled variable. Constants, however, stay the same.

variable – variable – the part of your experiment that you will change, the thing you will test is your variable.

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data – data – information recorded during the experiment, including

measurements, photos, journal entries, etc.

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results – results – everything that happened in your experiment (your data!)

conclusion – conclusion – a paragraph that summarizes your results and tells if

your hypothesis was supported