This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

This science fair project idea determines if the color of light affects the growth of plants.

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

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

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

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

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

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

Make a spring collage with your child to get them outside and those creative juices flowing!

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

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.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

This simple experiment serves as an introduction to the greenhouse effect.