Examine the effect of pressure on carbonation in soda.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Help your first grader design and create his very own bird feeder out of an empty milk carton.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This simple experiment serves as an introduction to the greenhouse effect.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

This science fair project teaches students about wilting and browning of salad greens.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Take a dive into the candy jar with this yummy science experiment.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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

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 science fair project idea demonstrates that plants give off water.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.