This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

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

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

This science fair project idea determines effective strategies to help students stay awake and attentive.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This science fair project idea examines whether people can decode scrambled messages.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Find out whether matching resonant frequencies can cause objects to shatter.

This science fair project idea tests the efficiency of short term memory.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

Use pepper and soap to discover some fun facts about the properties of water.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.