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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science experiment tests if dog saliva can really help heal wounds.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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

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!

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

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

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This science fair project idea investigates how color affects temperature.

In this science fair project you will make a model of a cell membrane using very simple material.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!