You can access additional materials to extend learning beyond the lesson by clicking on any of the links under Extended Learning. The area will include feature articles, which help make connections across the curriculum, and other STEM-related materials.

To view or print any of the Extended Learning materials:

1. Click the Extended Learning drop-down.
2. Select the link to view or print.
3. Click the PRINT icon.
4. From the print dialog box, click Print or OK.