In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This surprisingly good glue recipe comes from common kitchen items.

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

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project idea explores how length affects the weight a bridge can hold.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

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

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Learners hypothesize about and experiment with soil erosion in this hands-on activity.