Science Word Cards

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Hypothesis
A proposal intended to explain certain facts.
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Prediction
A statement suggesting what may happen in the future.
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Repeatable
If you can repeat an experiment by yourself and get similar results or pattterns.
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Data
Information that has been collected, either qualitiative or quantitative.
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Reproducible
Repeated by another person or through a different technique/method to obtain similar results or patterns.
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Resolution
The smallest measurement that can be made using a piece of equipment.
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Valid
Suitability of the investigation for the question being asked.
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Evidence
Data that has shown to be valid.
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Variables
These are physical, chemical or biological quantities or characteristics.
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Independent Variables
The values are changed or selected by the investigator.
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Dependent Variables
The value is measured for each and every change in the independent variable.
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Continuous Variables
Variables that have can have values either by counting or by measurement. They have any numerous value.
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Categoric Variables
Have values that are labels.
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Control Variables
One which may, with the independent variable, affect the outcome of the investigation and so should be controlled or kept the same.
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Range
The maximum and minimum values of the independent and dependent variables.
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Interval
The quantity between readings.
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True value
The value that would be found in an ideal measurement with no mistakes.
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Uncertainty
The interval within which the true value can be expected to lie within a level of confidence or probability.
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Fair Test
An experiment in which only the independent variable has been allowed to affect the dependent variable.
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Precise
Measurements in which there is very little spread about the mean value.
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Accurate
A measurement is accurate if it is close to the true value.
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Calibration
When you mark a scale on a measuring instrument.
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Measurement error
The difference between a measured value and the true value.
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Anomalies
An inconsistent measurement.
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Random error
Causes readings to be spread about the true value in an unpredictable wayfrom one to the other.
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Systematic error
Causes measurements to be spread about the true value by a consistent amount each time.
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Zero error
A systematic error caused by equipment not being calibrated correctly and not returning to zero.
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Other cards in this set

Card 2

Front

A statement suggesting what may happen in the future.

Back

Prediction

Card 3

Front

If you can repeat an experiment by yourself and get similar results or pattterns.

Back

Preview of the back of card 3

Card 4

Front

Information that has been collected, either qualitiative or quantitative.

Back

Preview of the back of card 4

Card 5

Front

Repeated by another person or through a different technique/method to obtain similar results or patterns.

Back

Preview of the back of card 5
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