Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Save money by having your tween rock these homemade jeggings, a good craft for a lazy afternoon.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

Don't despair if numerators and denominators seem like a bore to your child. This colorful collage is sure to show him the brighter side of fractions.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

In this activity students first send kindness to themselves and then they send it to others.

Looking for something to do on a slow afternoon? Try cornhole, a simple and fun tossing game. Make your own set with a few things from the recycling bin.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

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.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

Make physical activity fun with this 4th-5th grade fitness game that's a twist on classic Tic-Tac-Toe.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

This made-for-kids embroidery project uses thick yarn, dull needles, and burlap fabric with wide holes so it's perfect for little fingers!

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

Mocktails are fancy non-alcoholic drinks perfect for celebrations. Make a batch of mocktails for kids and adults alike at your New Year's Eve celebration.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Celebrate Easter brunch with these flaky, delicious, and--yes--healthy whole wheat "bunny biscuits."

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

Let your child find her place among the politicians, the flyers, the debates and the countless television ads with a slogan and poster of her very own.