Make environmentally friendly, chemical-free toothpaste using one of the most common, inexpensive pantry staples in the American kitchen: baking soda.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

Encourage your child to explore color and its mood-altering effects by creating his own self portrait using only warm or cool colors.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

In this arts and crafts activity, you and your child will create colorful three-dimensional artwork using scrunched-up fabric pieces.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

There's more to corn than the sweet yellow kernels. This easy craft project shows you and your kid how to make pretty corn husk flowers using just a few tools.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Communicating using the written word doesn't have to be tough! It can be as simple and fun as composing a comic strip.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Help your student memorize the vocabulary needed to excel in geometry. This fun Tic-Tac-Toe game focuses on terms used when working with circles.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

In this project students experiment with making music using only glasses of water.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This entertaining magic trick will 'trick' kids into using math skill to impress their friends!

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.