Examine the effect of pressure on carbonation in soda.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Plants and light seem to be good buddies, but how far does the friendship really go?

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This project examines what types of objects burn and which burn faster and cleaner.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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

Learn all about balance and motion as your child designs a corn maze!

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.