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21 Cards in this Set
- Front
- Back
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Observation |
When you use your senses of sight, touch, hearing, taste and smell to gather information. |
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Inference |
When you explain or interpret what you have observed. Can be based on assumptions that you make about your observations. |
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Hypothesis |
A possible explanation for something that you have observed or the answer to a scientific question. A hypothesis must be able to be tested. |
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Independent Variable |
The factor that is changed in an experiment, on purpose. It is also called the Manipulated Variable. |
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Dependent Variable |
The factor that may or may not change in response to the independent variable changing. It is also called the Responding Variable. |
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Controls |
The part of the experiment that is used to compare the results of other tests. In a controlled experiment only one variable can be changed/manipulated. |
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Framing |
The part of an experiment where you state the question to be investigated, provide background information and provide a possible hypothesis. |
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Procedure |
The part of an experiment where the steps of the experiment are detailed. |
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Data |
The information that is gathered from observations made during an experiment. |
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Conclusion |
The part of an experiment that discusses the results of an experiment to determine if the hypothesis is answered and correct. |
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Evidence |
The available facts or information that shows whether a belief or hypothesis is true or valid. |
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Sources of Error |
Any factor that may affect the outcome of an experiment. Includes not using tools correctly or recording incorrect measurements. |
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Units of Measure |
Identifies the value of what a person is measuring. If you measure a liquid in liters then you know that your measuring in volume. |
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SI Units |
The standard units of measurements that all scientists, across the world, have have agreed to use when making quantitative observations. |
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Meter |
The SI Unit of length in the metric system and is represented by a lower case "m". |
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Mass |
A measure of how much matter is in an object. the SI Unit for mass is the gram. |
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Grams |
The SI unit of mass in the metric system that is represented by the lower case g. |
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Volume |
The amount of space that matter occupies. The SI Unit of volume is the liter. |
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Liter |
The SI Unit of volume, that is represented by an upper case L. |
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Meniscus |
The curved upper surface of a liquid in a column of liquid such as in a graduated cylinder. |
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Density |
The measure of how much mass (g) of a substance in a given volume (ml). |
