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Investigations
Investigations (Unit 1)
Term | Definition |
---|---|
Classify | to arrange into groups based on ways things or people are alike |
Physical Property | size, shape, color, density, magnetism, solubility, mass, and texture |
System | a group of related natural objects or forces |
Analyze | to study or examine something carefully |
Conserve | to preserve or protect resources |
Scientific Investigation | using the scientific method to answer a question |
Model | a three-dimensional representation of something |
Control | the experimental setup that stays the same |
Variable | the part of an experiment that changes |
Evidence | proof that supports or does not support a hypothesis |
Balance | tool that measures mass |
Spring Scale | tool that measures force |
Sieve | separates large particles from very fine particles; could also be a screen |
Thermometer | tool that measures temperature |
Meter Stick | tool that measures distance |
Graduated Cylinder | tool that accurately measures small amounts of liquid |
Beaker | tool that measures large amounts of liquid |
Hypothesis | an educated guess |
Scientific Method | ask a question, form a hypothesis, test hypothesis, analyze results, form conclusions |
Accurate | how close a result is to the true value |