Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

The objective of this science fair project is to investigate salt water density.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

Science fair project that cultivates slime mold and monitors the stages of its development.

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

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

This science fair project idea demonstrates sonar mapping of the ocean floor.

This science fair project idea lets you can create your own Faraday Cage!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This science fair project idea measures physical dexterity as a function of temperature.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

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

Here's an investigative activity in which your child will discover real-world names and uses for sugar and find out how it is hidden in many different foods.

This science fair project idea determines which method of hand cleansing is the most effective.

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.