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

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

Help your learner develop her fine motor and communication skills with this fun and festive fall activity.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

When it comes to helping your third grader manage a school backpack, small steps now bring big payoffs later.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

This science fair project idea determines what household items are good conductors of electricity.

This footwear-focused activity introduces fractions as part of a set and it's the perfect way to generate excitement about fraction concepts.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Help your third grader make the Scoop 'N Catch--a great choice for a fun and inexpensive afternoon.

Make your own wrapping paper with some materials from around the house. Try to make your own wrapping paper this year for a unique presentation for your gifts.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Cleaning can be a chore, but not with this sudsy experiment!

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.