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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!

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

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 science fair project idea explores how length affects the weight a bridge can hold.

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

Make a lei and bring a touch of the tropical lifestyle into your home!

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.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

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

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

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

This science fair project idea investigates how the shape of an object affects drag.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Learn all about balance and motion as your child designs a corn maze!

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

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This science fair project idea demonstrates that plants give off water.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

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