When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

This project examines whether people's taste perception is influenced by what they see.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

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

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.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

This project determines what category of person is most likely to be ticklish.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Create a self-portrait from natural materials in this collage craft activity!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.