These free word searches are a great teaching resource for helping students get acquainted with complex terms of Biology. While they keep searching for words like bacteria, plankton, lysosome, and nucleus, you can explain the words with the help of appropriate diagrams.
There’s also an answer key attached to the PDF that you will get by clicking on the image. Once they have completed it, you can take a little test by randomly choosing a term from the given word list and asking them to describe it.