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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.

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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

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

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

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

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

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!

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 teaches students to classify different shapes of leaves.

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

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

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

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

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

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

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

This science fair project idea investigates how color affects temperature.

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

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?

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

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 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.

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

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

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.