Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

How powerful is the reaction between baking soda and vinegar? Find out here!

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

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 on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

The goal of this project is to create an exciting topographical map out of dough.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

This science fair project idea examines which type of insulation holds in the most heat.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

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

This science fair project idea explores how water and ice can change the form of rocks.

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Free science fair project idea examining how different types of water affect plant germination and growth.

This experiment uses personality assessments to evaluate if certain personality traits are more common in people with unusual first names.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

This science fair project idea studies past and current fads and trends.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.