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The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Teach your child how butter is created by shaking up cream the old-fashioned way.

This science project has students study the idea of human beauty.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

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

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Determine whether the relationship between a personâs armspan and height are genetic.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

This science fair project idea assesses the effect of music on work performance.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!