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This science fair project idea determines what household items are good conductors of electricity.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea experiments with spinning color wheels and optical illusions.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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

This science fair project idea investigates how magnetism can defy the force of gravity.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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.