In this science fair project, young children discover what happens when two fluids that have different densities get together.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

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

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

People have favorite flavors, but what about ants? Which ant food is the most popular?

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Engineers in training can get started with this simple wheel-and-axle construction activity.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

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