| A | B |
| physical science | the study of matter and energy |
| scientific method | a series of steps that scientists use to answer questions and solve problems |
| technology | the application of knowledge, tools, and materials to solve problems and accomplish taskts |
| observation | any use of the senses to gather information |
| hypothesis | a possible explanation or answer to a question |
| data | any information that results from experimentation |
| theory | a unifying explanation for a broad range of hypotheses and observations that have been supported by testing |
| law | a summary of many experimental results and observations; tells how things work |
| model | a representation of an object or system |
| meter | the basic unit of length in the SI system |
| volume | the amount of space that something occupies or the amount of space that something contains |
| mass | the amount of matter that something is made of; does not change with object's location |
| temperature | a measure of how hot or cold something is |
| area | the amount of surface an object has |
| density | the amount of matter in a given space; mass per unit volume |