| A | B |
|---|
| science | the study of nature and the universe |
| universe | all that exists |
| galaxy | large group of stars that travel together |
| atom | the smallest part of a substance |
| observation | a careful study of something using the senses |
| experiment | a kind of test that scientists use |
| research | a study of a subject using books and doing experiments |
| technology | science discoveries and skills put to use |
| life science | the study of living things and how they behave |
| physical science | the study of matter and energy |
| matter | anything that takes up space |
| energy | the ability of something or someone to do work |
