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

Test whether plants can grow without sunlight and water.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Cleaning can be a chore, but not with this sudsy experiment!

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Science fair project that illustrates the properties of black holes in space.

Science fair project that explains and demonstrates the parallax principle.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

This science fair project idea explores the egg's thin membrane.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

Teach your preschooler some physics that she can relate to with this fun and simple activity!