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| Science is a way of learning about the natural world by gathering information. |
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| Qualitative observations are descripions that dont invlove numbers or measurements. |
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| Quantitative Observations. |
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| Quantitative observations are measurements that do invlove numbers and measurements. |
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| Inferring is making an inference. |
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| Predicting means making a forecast of what will happen in the future based on past experiences or evidence. |
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| Chemistry is the study of the properties of matter and how matter changes. |
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| is the study of matter and energy and how they interact. |
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| Observing means using one or more senses to gather information. |
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| Scientific inquiry refers to the different ways scientists study the natural world. |
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| A hypothesis is a possible answer to a scientific question or explanation for a set of observations. |
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| Variables are factors that can change in an experiment. |
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| Manipulated Variable.(or its independent variable). |
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Definition
| The manipluated variable is the variable that changed. |
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| Responding Variable.(or dependent variable). |
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| The responding variable is the variable that is expected to change because of the manupulated variable. |
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| A controlled experiment is an investigation in which all variables except one remain the same. |
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| Data are the facts, figures, and other evidence gathered through observations. |
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| Communicating is sharing ideas and conclusions with others through writing and speaking. |
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| A scientific law is a statement that describes what scientists expect to happen every time under a particular set of conditions. |
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| A scientific theory is a well-tested explanation for a wide range of observation oredperimental results. |
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| Technology is a way of changing the natural world to meet human needs or solve problems. |
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| An engineer is someone who is tranied to use both technological and scientific knowledge to solve practical problems. |
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| Brainstorming is a process in which group members freely suggest any creative solutions that come to mind. |
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| A constraint is any factor that limits or restricts a design. |
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| A prototype is a working model used to test a design. |
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| Troubleshooting is the process of analyzing a design problem and finding a way to fix it. |
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| A trade-off is an exchange in which one benefit is given up in order to obtain another. |
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| A group of related parts that work together. |
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