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?

This science fair project idea demonstrates that plants give off water.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Do different types of oil mix or stack? Find out in this science fair project idea!

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Test whether plants can grow without sunlight and water.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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 experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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.

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