| A | B |
| biologist | scientist who studies living things |
| bluff | a high, steep slope or cliff |
| lagoon | a pond or small lake, especially one connected with a larger body of water |
| massive | big and heavy; bulky |
| rumbling | making a deep, heavy, continuous sound |
| tropical | of or like the regions 23.45 degrees north or south of the equator where the sun can shine directly overhead |
| encounter | an unexpected meeting |
| exhaling | breathing out |
| fact | a statement that can be proven to be true or false |
| opinion | someone's own thoughts or feelings about something |
| context clues | hints in a sentence which help you figure out the meaning of a word |