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.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science fair project idea investigates how color affects temperature.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

This science fair project idea compares biodiversity between drops of water.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project idea investigates if fats add to the flavor of food.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Slip some science into storm watching with a homemade rain gauge!

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!