| A | B |
| science | the process of observing, explaining and understanding things in our world |
| Earth science | the study of Earth and space. It also includes astronomy, geology, meteorology and oceanography |
| geology | the study of Earth and its matter, processes and history |
| meterology | the study of Earth's weather and forces that cause it |
| astronomy | the study of objects in space, including stars, planets, comets and their origins |
| oceanography | the study of Earth's oceans, their processes, and life with them |
| technology | the application of scientific dicoveries |
| scientific method | a series of problem-solving processes used by scientists |
| hypothesis | a prediction about a problem that can be tested |
| variable | in an experiment, the factor that can be changed to see what will happen |
| control | in an experiment, the standard used for comparison |
| theory | an explanation backed by results from repeated tests, experiments, or observations |
| law | a scientific rule of nature that describes the behavior of something in nature but doesn't explain why something will happen in a given situation |
| International System of Units (SI) | a modern version of the metric system that is used by most people around the world |
| mass | a measure of the amount of matter in an object |
| weight | a measure of the force of gravity on an object |
| gravity | an attractive force that exists between all objects |