| A | B |
| different | not the same |
| matter | anything that takes up space and has mass |
| hibernation | a sleep taken by some animals in the winter for several months |
| preserve | to keep for later |
| conserve | to avoid wasting |
| equator | an imaginary line on the globe |
| around | going along the outside of something |
| fact | a statement that can be proven to be true |
| opinion | what a person thinks or feels about something |
| because | as a result of |