Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Discover whether a metal will expand under hot water.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

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.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This project investigates the affect of storage temperature on microwave popcorn.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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.

Word color association is just a fancy way to talk about the way we connect colors with words.