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

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

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

This science fair project idea determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

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.

Learn about emulsification and bile's roles in digestion, and investigate how the digestive enzyme lipase breaks down lipids.

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

This science project establishes a "breakability index" - basically to assess how much damage is done in different circumstances.

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.

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

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.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

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.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

If you find yourself with a pair of kids' rain boots too cute to toss and too worn to wear, try making this fun and easy planter.