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

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

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

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

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

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

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!

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

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

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

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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

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

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?

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.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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