In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

Discover which fabrics shrink the most in the wash and why.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Find out whether people within a family tend to have matching fingerprints.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

This middle school science fair project evaluates test subjectsâ ability to determine what a person is feeling by reading their facial microexpressions.

In this science fair project, students create their own miniature salt flats at home.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Got a young scientist at home? Try this project with him!Create your own molecule design with this home-made clay recipe and some toothpicks!

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

This project examines which type of dance burns the most calories.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This project determines what category of person is most likely to be ticklish.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This basketball project explores the best way to make the perfect shot every time.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!