Browse our resource collection by type:
Browse Backgrounders resources Browse Career Profile resources Browse Hands-on Activities resources Browse Interactives resources Browse Learning Strategies resources Browse Lessons resources Browse Picture Collections resources Browse Projects resources Browse STEM in Context resources Browse Video Channels resources
Learn about the many different structures that make up plant cells as well as what differentiates plant cells from animal cells.
Plants need to exchange gases and water with their environment as part of photosynthesis. Some plant cells have evolved specifically for this purpose.
Be a biochemist! Learn how to extract DNA from an onion and find out what DNA looks like.
When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!