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

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

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

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.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

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

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

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

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.

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

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

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

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

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.

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

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

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

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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

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

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

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.

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.