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science ch. 1 vocab
| Question | Answer |
|---|---|
| theory | explanation of things or events that is based on knowledge gained from many observation and experiments. |
| science | way of learning more about the natural world that provides possible explanation to question and involves using a collection of skills |
| scientific theory | a possible explanations to questions and involves using a collection of skills. |
| scientific law | a rule that describes a pattern in nature but does not try to explain why something happens |
| system | collection structures,cycles,and processes that relate toand interact with each other |
| life science | study of living systems and how they interact |
| earth science | study of Earth systems and systems in space,including weather and climate systems,and the study of nonliving things such as rocks,oceans,and planets |
| physical science | study of matter,which is anything that takes up space and has mass, and the study of energy,which is the ability to cause change. |
| technology | use the science to help people in some way |
| observation | a record or description of an occurrence or pattern in nature |
| hypothesis | reasonable guess that can be tested and is based on what is known and what is observed |
| infer | to draw a conclusion based on an observation |
| controlled experiment | involves changing one factor and observing its effects on one thing while keeping all other things constant |
| variable | factor that can be changed in a experiment |
| independent variable | variable that is changed in an experiment |
| dependent variable | variable that changes as a result of a change in the independent variable |
| constant | variable that is not changed in an experiment |
| scientific method | processes scientists use to collect information and answer question |
| model | any representation of an object or an event that is used as a tool for understanding the natural world can communicate observations and ideas test predictions and save time,money,and lives |
| prediction | an educated guess as to what is going tom happen based on observation |
| critical thinking | involves using knowledge and thinking skills to evaluate evidence and explanations |
| data | information gathered durin gan investigation;recorded in the form of descriptions,tables,graphs,or drawings |
Created by:
Isabella_gogna
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