Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

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.

This science fair project idea explores the egg's thin membrane.

Demonstrate how to tell the age of an egg without having to crack it open.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea investigates if fats add to the flavor of food.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

What happens when colored beams of light mix? You might be surprised.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Find out which kind of bubble wrap fares best when put in impact.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking 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.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

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

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Making your own glass cleaner is easy, effective and inexpensive!

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.