| Term | Definition |
| sense | sight,taste, touch, smell, and hearing |
| observe | notice |
| affect | change |
| bounce | spring back after hitting something |
| explanations | statements that give reasons or make a topic easier to understand |
| hypothesis | an idea you can test that explains what you observe |
| prediction | a guess about what will happen |
| method | a way of doing something |
| model | a copy of something |
| survey | the process of asking a set of questions and collecting answers |
| experiment | a set of steps for testing a hypothesis |
| design | plan |
| technology | the use of science to solve problems |
| variables | factors in an experiment that can change |
| factors | things that can affect what happens |
| results | things that happen |
| controls | factors in an experiment that are kept the same |
| evidence | information and facts you can use to describe something |
| data | facts collect in an experiment |
| measurements | numbers plus unit, such as 5 cm. A measurement must always have both a number and a unit. |
| organize | put in order |
| analyze | think about data and decide what they mean |
| conclusion | a report of what happened |
| support | make stronger |