Make sourdough bread...and learn some colonial history and modern science in the process!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

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

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

I scream, you scream, we all scream for homemade spearmint ice cream!

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

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

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

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.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.