This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

This science fair project idea quantifies the effect of specific food sources on red worm (Eisenia foetida) livelihood.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Make this easy composting dessert and then enjoy the yummy results!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

If you find yourself with a pair of kids' rain boots too cute to toss and too worn to wear, try making this fun and easy planter.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

Make edible amber fossils with your second grader to explore the fascinating world of science!