This science fair project idea explores whether the color of surroundings affects human mood.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This project explores what happens to a rubber band when it is heated and cooled.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

This experiment will examine and precisely measure the amount of sugar in various sodas.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Introduce your child to science with something they see everyday--their shadow!

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Have your little astronaut create her own crater-filled moon with this fun craft project that encourages learning about the final frontier.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

What better way to nurture your child's imagination than by making a fairy house out of materials found in nature!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.