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

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.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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 science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

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

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

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

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Help your child make a beautiful homemade sandcastle that will last!

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 first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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