In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Determine if gender affects the ability to identify different smells.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

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

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

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Slip some science into storm watching with a homemade rain gauge!

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!