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100+ Ways to Conserve Water

Want to save the planet? Start by saving water!

A Big Ball of Life

The Earth is alive! Learn how the Earth's biosphere—its organisms, soil, water, and atmosphere—all work together.

Air Quality Index

How do you know when it's safe to play outside? Use the color-coded Air Quality Index to help you learn more about air quality. 

Asteroid Fast Facts

What's the difference between an asteroid, a meteor, and a comet? NASA fills you in.

Astronomy Night Skies

Join Cleveland Museum of Natural History Director of Astronomy Jason Davis for a tour of the May night skies.

Balanced and Unbalanced Forces

Do you wish someone could explain the difference between a balanced and unbalanced force? Then watch this four-minute video by two middle school science teachers—with help from their students.

Cell Theory by TedEd

How did cell theory develop? Learn about microscopes and the development of cell theory.

Cells - PBS LearningMedia

 Learn about the parts of the cell, cellular division, and basic cell function.

Cloud Types

Do you ever wonder about the different clouds in the sky and what they can tell you? Then watch this five-minute video by the National Weather Service.

Coal Formation

What are the stages of coal formation? Find out here!

Ecosystems

How do living things interact with their environment? Learn more in this 14-minute video that focuses on the ecosystem in Yellowstone National Park.

Ecosystems on the Edge: Stream Health

How do you diagnose a sick stream? Find out in this eight-minute video from the Smithsonian.

Endangered Species Facts for Kids

Learn more about endangered species and explore ways you can help stop the spread of extinction! 

Energy Around Us

It takes a lot of energy to support life on Earth. Where does it all come from?

Energy Around Us: Active Energy vs. Stored Energy

Active energy vs. stored energy. What's the difference? Find out with this website. 

Erosion and Soil

Water and soil, water and leaves, water and plants...which filters water best? Test all three in this short video.

Four Layers of Soil

There are four horizons (layers) of soil: O, A, B, and C. Learn about them all here.

Germs!

This set of COSI Connects activities provide effective ways to demonstrate and talk about germs and how they spread. Click the green Open button to access this COSI Connects activity.

Habitats

What is a habitat? Create a habitat for a stuffed animal or toy out of materials around the house! Discuss what sorts of things the animal needs in its habitat to survive. Click the green Open button to access this COSI Connects activity.

Healthy Eating for Teens

Find helpful tips for eating healthy to meet the needs of a growing body.


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