| A | B |
|---|
| Science | A method for studying the natural world |
| Technology | The application of scientific knowledge to benefit people |
| Physical Science | The study of matter and energy |
| Chemistry | The study of the structure, properties, and reactions of matter |
| Physics | The study of the interaction between matter and energy |
| Graph | A visual display of information or data as a line, bars, or circle |
| Scientific method | An organized set of investigative procedures |
| Hypothesis | A possible explanation for a problem using what you know and what you have observed |
| Controlled experiment | Running the same test on two groups of subjects. Each group is the same, except for one variable. |
| Independent variable | The variable you are changing between groups |
| Dependent variable | The variable you are measuring or observing |
| Theory | A well-tested explanation for a set of experimental results |
| Law | Statement about what happens in nature and that seems to be true all the time |
| Model | A representation of an idea, event, or object |
| kilo- (k) | 1000 |
| centi- (c) | 0.01 |
| milli- (m) | 0.001 |
| micro (ยต) | 0.000001 |
| Length | The distance between two points |
| Constant | A factor that does not change when other variables change (it says the same in both groups) |
| Standard | An exact quantity that people agree to use to compare measurements |
| SI units | A standard system of scientific measurement used globally |
| Volume | Amount of space something occupies |
| Mass | Amount of matter something is made of |
| Density | mass / volume |
| Data table | Data presented in columns and rows |
| Line graph | A graph that shows a numerical relationship between an independent and dependent variable |
| Bar graph | The graph best used when the x-axis is not a number, or when there may not be a numerical relationship |
| Pie chart | A graph used to display percentages of a whole |
| Control | The standard by which results can be compared |
| Society | Group of people that share similar values and beliefs |
