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

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

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Learn whether writing things down really makes things easier to remember.

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.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

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

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.