Why do leaves change colour in the fall?
Hands-on Activities
How do the green leaves of summer change to vibrant colours in fall? Explore plant pigments in this chromatography activity.
How does water move up a plant?
Hands-on Activities
Do an experiment with celery to learn about the structures that help plants take up water.
How do I construct a terrarium?
Hands-on Activities
You can make your own terrarium for growing plants!
How Do Introduced Species Affect Ecosystems and the Economy?
STEM Explained
When a species ends up outside of its natural zone, the consequences on other species, ecosystems and human industries can be severe. Climate change and human activities can introduce species into new zones.
Green Walls
STEM Explained
Green walls use plant processes to improve air quality in buildings.
How are Arctic Animals in Canada Affected by Climate Change?
STEM Explained
Arctic animals have evolved to thrive in harsh arctic ecosystems, but the environmental footprint created by climate change is affecting their survival.
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.
Canadian Invaders!
STEM Explained
Beavers are a Canadian symbol. But in South America, they’re considered an invasive species.
Timea Filer (Video)
Career Profiles
Urban Forestry Field Technologist
Timea Filer
Career Profiles
Urban Forestry Field Technician, City of Guelph
Heather Dover
Career Profiles
Arborist
Fred Sheppard
Career Profiles
Visitor Experience Product Development Officer