Scientific Investigation
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| observation | using at least one of the five senses to gather information
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| inference | A kind of conclusion you make based on your observations & experience
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| mass | a measure of how much matter is in an object
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| volume | a measure of how much space an object takes up
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| graduated cylinder | a tool used to measure volume
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| triple beam balance | a tool used to measure mass
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| data | information collected during a scientific investigation
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| qualitative data | data that take the form of description, pictures, video, etc.
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| quantitative data | data that take the form of numbers and measurements
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| meniscus | the curve at the top of a liquid when it is in a narrow container
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| Scientific Method | A series of steps that scientists follow to answer and question or solve a problem
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| independent variable | what the scientist changes in an experiment. The cause
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| dependent variable | what the scientist measures or records as data from an experiment. The effect
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| control | the group that does not receive the independent variable, that gets "normal" conditions. Used to compare with the treatment group.
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| validity | the accuracy in the ability of an experiment to test a hypothesis
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| magnification | when an object appears larger than it is
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| mean | the average of a set of numbers
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| interval | the space between numbers in a scale
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| experimental design | the plan a scientist makes for an experiment
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| constants | conditions that stay the same in an experiment
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| hypothesis | an inference that answers a scientific question or solves a problem. Often comes in the form of If ______, then _______
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| What kind of information goes in the blanks? If _____________, then ___________. | If the IV ..., then the DV will ...
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| The cause, the input | independent variable
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| The effect, the output, the result, the data | the dependent variable
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| question, research, hypothesis, experimental design, data collection, data analysis, conclusion, communication | Some steps in the Scientific Method
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| The minimum number of trials necessary for a valid experiment | 3 trials
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| The metric system is based on the number ____ | 10
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| The metric system uses ________ form instead of fractions | decimal
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| How many intervals are there between 1cm and 2cm on a metric ruler? | 10 - each interval measures 1mm
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| What part of the meniscus should be used in taking measurements? | the bottom of the meniscus
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Created by:
coradesj
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