| A | B |
|---|
| control | standard to which the outcome of a test is compared |
| variable | something in an experiment that can change |
| theory | explanation of things or events based on scientific knowledge resulting from many observations and experiments |
| law | statement about how things work in nature that seems to be true all the time |
| metric length | meter (kilometer) |
| metric mass | gram (kilogram) |
| metric volume | liter (milliliter) |
| SI | International System of Units |
| hypothesis | prediction that can be tested |
| organism | any living thing; composed of cells |
| cell | the smallest unit of an organism that carries on the functions of life |
| homeostasis | an organism's ability to keep the proper conditions inside no matter what is going on outside the organism |
| trait of a living thing beginning with "O" | they are ORGANIZED |
| 2 traits of a living thing beginning with "R" | they RESPOND and REPRODUCE |
| trait of a living thng beginning with "E" | they use ENERGY |
| trait of a living thing beginning with "G" | they GROW & DEVELOP |
| 2 things all living things need | a place to live and raw materials |
