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6th Unit 1
Building a Better Scientist
Term | Definition |
---|---|
Science | A way of learning about the natural world that provides possible explanations to questions. |
Observation | Using one or more of your senses to identify or learn about something. |
Inference | A conclusion formed from available information or evidence. |
controlled experiment | a scientific experiment that involves changing one factor and observing its effect on one thing while keeping all other things constant. |
Model | A representation of an object or an event that is used as a tool for understanding the natural world. |
independent variable | The variable that is changed in an experiment. |
dependent variable | The variable that changes as a result of a change in the independent variable. |
scientific theory | A possible explanation for repeatedly observed patterns in nature supported by observations and results from many investigations. |
scientific law | A rule that describes a pattern in nature but does not try to explain why something happens. |
Technology | use of science to help people in some way. |
scientific method | a series of steps that scientists use when performing an experiment. |
data | Information gathered during an investigation; recorded in the form of descriptions tables, graphs, or drawings. |
quantitative data | Descriptions of the natural world using numbers. |
qualitative data | Descriptions of the natural world using words. |
description | A summary of observations. |
Explanation | An interpretation of observations. |
precision | How closely measurements are to each other and how carefully measurements were made. |
consistency | The ability to repeat a task with little variation. . |
mean | The sum of the numbers in a set of data divided by the number of items in the set. |
Median | The middle number in a data set when the data are arranged in numerical order. |
range | The difference between the highest and lowest values in a data set |
hypothesis | An explanation that can be tested with a scientific investigation. |