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.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

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

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

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

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Hunt for natureâs treasure, the many different products made by trees!

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

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

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

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

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.

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

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

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

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

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

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

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.

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