Why do we have seasons?
Backgrounders
Learn why seasons change. Discover how they’re different in the Northern and Southern hemispheres.
Why is it colder in the winter even though the Earth is closer to the Sun?
Hands-on Activities
Learn why we have seasons in this hands on activity.
Why is rain not salty?
Hands-on Activities
Make a model of the water cycle and find out how water moves around on planet Earth.
Sun: Sunrise
Picture Collections
5 images of scenes showing various sunrises
How is food packaged?
Hands-on Activities
Take a closer look at food packaging. Explore why and how food is packaged in different ways.
Fish: Freshwater
Picture Collections
4 images of some fish such as koi that live in freshwater river and lake environments and in freshwater aquariums and garden ponds
How Can Birds Help Monitor the Health of Ecosystems?
STEM Explained
Scientists can observe birds to get useful information about the health of, and changes in, an ecosystem.
Eutrophication: Why you should care about pond scum
STEM Explained
When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!
Design & Build a Bee House
Lessons
Students will learn about the human impacts on bee populations as they design, test, build and observe a structure for solitary bees.
Birds: Aquatic
Picture Collections
12 images of some birds such as seagulls, puffins, ducks and Canada Geese that live on or around freshwater or saltwater habitats