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27 Cards in this Set
- Front
- Back
science |
a way of learning about the natural world by gathering information |
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observing |
using one or more senses to gather information |
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qualitative |
a type of observation AND a description that doesn't involve numbers or measurements |
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quantitative |
a type of observation AND a measurement |
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inferring |
when you explain your observations based on prior knowledge |
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predicting |
making a forecast of what will happen in the future |
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Chemistry |
the study of the properties of matter and how matter changes |
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Physics |
the study of matter and energy and how they interact AND together with Chemistry make up Physical Science |
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scientific inquiry |
refers to the different ways scientists study the natural world |
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hypothesis |
a possible answer to a scientific question or explanations for a set of observations |
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variable |
factors that can change in an experiment |
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manipulated variable |
independent variable OR the variable that is purposely changed |
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responding variable |
dependent variable OR the variable that is expected to change |
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controlled experiment |
an investigation in which all variables except one remain the same |
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data |
facts, figures, and other evidence gathered through observations |
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graphs |
a useful way to view quantitative data because they can reveal trends or patterns in the data |
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communicating |
sharing ideas and conclusions with others through writing and speaking |
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scientific law |
a statement that describes what scientists expect to happen every time under a particular set of conditions |
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scientific theory |
a well-tested explanation for a wide range of observations or experimental results |
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technology |
a way of changing the natural world to meet human needs or solve problems |
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engineer |
someone who is trained to use both technological and scientific knowledge to solve practical problems |
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brainstorming |
a process in which group members freely suggest any creative solutions that come to mind |
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constraint |
any factor that limits or restricts a design |
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trade-off |
an exchange in which one benefit is given up in order to obtain another |
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prototype |
a working model used to test a design |
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troubleshooting |
the process of analyzing a design problem and finding a way to fix it |
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system |
a group of related parts that work together |