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This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Build an electroscope, a simple device that measures static electricity, or the freely flowing electrical charges of the atmosphere!

This exploration of different types of energy will help young minds appreciate and observe thermal, kinetic, mechanical, and other forms of energy.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

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

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Your child can use Styrofoam, green paint and toothpicks to create her own cactus plant sculpture.

Will male or female hair grow faster? Find out in this science fair project idea!

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

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

Use the textures found in nature to create your own stationery! This fun, outdoor activity will no doubt inspire your child's creative side.

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

This science fair project idea demonstrates the process of land erosion.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.