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

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

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

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

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

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!

Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.

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

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.

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

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

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

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!

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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

Introduce your child to science with something they see everyday--their shadow!

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Create a self-portrait from natural materials in this collage craft activity!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

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

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

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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.

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 science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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