Vocabulary is the best single indicator of intellectual ability and an accurate predictor of success at school. -- W.B. Elley
Try using some of the strategies we've learned (context clues, substitute words by guessing, contrasting statements, prefixes or word parts, thesaurus, dictionary, online dictionary, glossary, friend). Here's an article about beetles where you can practice learning from appositives, the word defined, in the sentence.
Need help remembering a vocabulary word? Try creating a song about it to a familiar tune or drawing a picture of what it means! It's fun!