| A | B |
| matter | anything that has volume and mass |
| 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 tasks; technology can also refer to the objects used to accomplish tasks |
| observation | any of the senses to gather information |
| hypothesis | a possible explanation or answer to a question |
| data | any pieces of information acquired through experimentation |
| law | a summary of many experimental results and observations; a law tells how things work |
| theory | a unifying explanation for a broad range of hypotheses and observations that have been supported by testing |
| model | a representation of an object or system |
| meter | (m) 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 |
| area | a measure of how much surface an object has |
| mass | the amount of matter that something is made of |
| temperature | a measure of how hot (or cold) something is; specifically, a measure of the average kinetic energy of the particle in an object |
| density | the amount of matter in a given space; mass per unit volumethe amount of matter in a given space; mass per unit volume |