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

This science fair project teaches students the differences between fruits and vegetables.

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

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

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

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project teaches students to classify different shapes of leaves.

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.

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?

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!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

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

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.