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Krasky Science Fair
these are words we use when conducting experiments
Vocabulary | Definition |
---|---|
scientific method | a process that scientists use to answer questions; this helps them explain the world |
variable | something in a scientific experiment that can control or change the outcome; what the scientist is testing |
hypothesis | an educated guess that can be tested to answer a question; must be an "if/then" statement |
experiment | a scientific test that can be used to prove or disprove a hypothesis |
data/observations | table, log, chart/illustration, graph (bar, line, pie) is used to record what happened in the experiment; a paragraph summary of observations during the experiment should coordinate and explain chart and/or graph from Excel |
conclusion | the result, or outcome, of an experiment; was the hypothesis right or wrong |
observe | to use your senses to learn about an object or event |
statement of the problem | brief description of the problem to be solved, study to be done, or process to be demonstrated; in the form of a question |
background information | short report containing information about the topic; brainstorm key words related to their question (definitions, how they work, and any connections between items, history of items or situations) |
bibliography | list of reference materials used in the project; list of sources include: textbooks, encyclopedias, dictionary, science-related books, magazines, newspapers, personal interviews, internet |
materials | list of items needed in order to conduct the experiment (cups, measuring spoons, water, fertilizer, etc); include the quantity of all items |
procedure | step-by-step set of sequential instructions of how the experiment or model will be set up; the procedure should be written clearly enough so that anyone can repeat the experiment and reach the same results |