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Examine the effect of pressure on carbonation in soda.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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

This project investigates the affect of storage temperature on microwave popcorn.

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea identifies trees using a dichotomous key.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Help your child plant a "tea garden": a garden made of herbs for making teas.

This science fair project examines how seeds hitchhike on animals and clothing.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

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

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.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This science fair project idea produces varying pitches of sound.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project teaches students about wilting and browning of salad greens.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Have your child kick off their summer vacation by making a miniature water slide!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.