You have read an article about lichens and the way they can grow on rocks. A lichen is two things that work together!
Write a summary of information about lichens. Use the article on pages 198–199 of your textbook. You can research lichens on the Internet to learn more. Here are some questions to guide your research:
What are the two parts of lichens?
Where do lichens grow?
What can lichens tell us about pollution?
How can lichens change a rock?
Are you ready? Begin by visiting the Web sites listed in Step 2. Look for answers to the questions above. Write down what you learn in the note-taking boxes.
With teacher supervision, you may use search engines to research other Web sites. You also can research lichens at the library. When you are ready, follow Steps 3 and 4 to write your summary.
Step 2. Research
Research answers to the questions you were asked in Step 1. Visit these Web sites. Take notes about them on this page, too!
Toolbox Tip: Click here to learn what to do if you receive an error message when visiting a Web page.
