Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

This Earth Day, create an adorable litter bug while learning about the importance of recycling.

Celebrate Earth Day with a decorative tree made out of strictly reused and recycled materials.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Celebrate the coming of Spring and Earth Day with this 3-D art project that makes use of recycled materials.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

Kids can put old magazines and unwanted clothing to good use by creating an Earth Day-themed multimedia collage in this eco-friendly arts and crafts activity.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Help your child keep track of his pledges to be more environmentally friendly with a calendar made entirely out of recycled and reused materials!

Turn leftover puzzle pieces into a one-of-a-kind necklace that's sure to brighten any outfit.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

A great way to cultivate awareness, focus and attention in the present is through movement. Mindful movement can also decrease stress and anxiety and increase calm.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

Is your kindergartener getting tired of the standard art supplies? How about making a mosaic? This recipe is kinder safe, no broken glass involved!

Looking for a fun way to display photos? Give recycled objects a second life by turning them into a creative photo holder.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Teach your child about using pumps to move water in this simple and educational preschool science activity!