Science 8th grade - ch 1 vocab
Order by
26 terms
Terms | Definitions |
|---|---|
 Science | a way of learning about the natural world through observations and logical reasoning; leads to a body of knowledge |
| Observing | the process of using one or more of your senses to gather information |
| Qualitative observation | an observation that deals with characteristics that are not expressed in numbers |
| Quantitative observation | an observation that deals with a number or an amount |
| Inferring | the process of making and inference, and interpretation based on observations and prior knowledge |
| Predicting | the process of forecasting what will happen in the future based on past experience or evidence |
| Chemistry | the study of properties of matter and how matter changes |
| Physics | the study of matter and energy and how they interact |
| Scientific inquiry | the ongoing process of discovery in science |
| Hypothesis | a possible explanation for a set of observations or answer to a scientific question |
| Variable | a factor that can change in an experiment |
| Manipulated variable | the one factor that a scientist changes during an experiment, the independent variable |
| Responding variable | the factor that changes as a result of changes to the manipulated, or independent variable in an experiment |
| Controlled experiment | an experiment in which only one variable is manipulated at a time |
| Data | facts, figures, and other evidence gathered through observations |
| Communicating | the process of sharing ideas with others through writing and speaking |
| Scientific law | a statement that describes what scientists expect to happen every time under a particular set of conditions |
| Scientific theory | a well tested explanation for a wide range of observations or experimental results |
| Technology | a way of changing the natural world to meet human needs or solve practical problems |
| Engineer | a person who is trained to use both technological and scientific knowledge to solve practical problems |
| Brainstorming | a process in which group members freely suggest any creative solutions that come to mind |
| Constraint | any factor that limits or restricts a design |
| Trade-off | an exchange in which one benefit is given up in order to obtain another |
| Prototype | a working model used to test a design |
| Troubleshooting | the process of analyzing a design problem and finding a way to fix it |
| System | a group of related parts that work together |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.