At-Home STEM Activity Michael Conway At-Home STEM Activity Michael Conway

At Home for Earth Day: Make a Water Filter

Use common materials from your home and yard to make a basic water filter, and watch it work on muddy water!

Filtration is the process of separating solids from fluids using a a filter—a medium that only the fluid can pass through, leaving the solids “trapped” behind. Natural and human-made filters are all around us: paper filters keep coffee grounds out of freshly brewed coffee; HEPA filters capture dust particles in our vacuum cleaners; our kidneys even act as filters to remove harmful materials from our blood! In nature, dirt is naturally filtered out of water as the water moves through sand, soil, gravel. This is the process that we will be demonstrating today.

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At-Home STEM Activity Michael Conway At-Home STEM Activity Michael Conway

At Home for Earth Day: Plastic Bottle Terrarium

A terrarium is an enclosed environment created for plants, which needs very little outside intervention once it is set up. In celebration of Earth Day, let’s create a basic terrarium from an upcycled 2-liter plastic bottle. When it is complete, our plant will receive sunlight through the transparent walls of the bottle, and it will obtain water from its own water cycle!

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News and Events Michael Conway News and Events Michael Conway

50th Anniversary Earth Day Extravaganza!

Since 1970, communities and activists have celebrated Earth Day on April 22. On this day, people all over the world show their support for environmental protection, advocating and working to make our planet a cleaner and healthier place for all of us. This year, for the 50th anniversary of Earth Day, the theme is climate change.

The Earth Day Network offers many opportunities the join and follow the global movement for environmentalism. For something closer to home, the Discovery Center will be posting crafts, resources, activities throughout the day, with the aim of learning about—and appreciating the beauty in—our very own home planet. We hope you’ll celebrate with us!

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