| A | B |
|---|
| Scientific Method | an organized plan used for gathering |
| Hypothesis | potential answer to a question that can be tested by gathering information |
| Independent Variable | factor that is changed by the researcher |
| Constant | a factor that does not change when other variables change |
| Control | the standard by which the test results can be compared |
| Measurement | consists of a number and a unit |
| International System of Units (SI) | standards of measurement that are universally accepted and understood by scientists throughout the world |
| Dependent Variable | factor that is being measured; factor that changes as a result of changes in the other factors |
| Volume | amount of space that matter takes up |
| Mass | amount of matter in a substance or object |
| Density | amount of mass in a given volume of matter; calculated as mass divided by volume |
| Distance | length of the route between two points |
| Scientific Notation | way of writing very large or very small numbers that uses exponents in the format a x 10^(b) |
| Physical Science | study of matter and energy |
| Physics | study of energy and how it interacts with matter |
| Chemistry | The study of the composition of matter and the changes that matter undergoes |
| Science | way of learning about the natural world that is based on evidence and logic |
| Scientific Law | statement describing what always happens under certain conditions in nature |
| Scientific Theory | broad explanation that is widely accepted because it is supported by a great deal of evidence |
| Accuracy | closeness of a measurement to the true value |
| Precision | exactness of a measurement |
