This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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

The project is to investigate yeast fermentation and its results on hand of latex balloons.

This science project teaches students to classify different shapes of leaves.

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.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Make sourdough bread...and learn some colonial history and modern science in the process!

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.