Danika Strecko (Video)
Manager of Ocean Literacy
Danika Strecko
Manager of Ocean Literacy
Why are Guppies so Diverse?
STEM Explained
Different members of a species can have different traits. You can see this in a species found at your local pet store - guppies!
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.
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.
What is the Greenhouse Effect?
Hands-on Activities
Explore the greenhouse effect and learn about the impacts it can have on the environment.
What makes soil hard and compacted?
Hands-on Activities
Explore how walking on soil changes how water soaks into the ground and why that matters to gardeners and farmers.
What is the best way to clean up an oil spill?
Hands-on Activities
Learn about the properties of materials and the challenges of cleaning up an oil spill in this activity.
What are the effects of acid rain on rocks?
Hands-on Activities
Learn about the chemical reaction that happens between acid rain and limestone.
Marine Microbiology: Meet the Microbes of the Sea!
STEM Explained
The ocean is full of very small but very useful creatures called microbes. Without them, none of the sea plants or animals you’ve seen would exist!
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.
How does rain become acidic?
Hands-on Activities
Learn how to make a pH indicator and test water samples.
Guppies, Guppies Everywhere!
STEM Explained
How do different populations adapt to their environment? Let’s explore this concept through guppy speciation.