Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

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

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project idea identifies clouds as a means of predicting the weather.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

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

This science fair project idea researches the effects of acid rain on plant growth.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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

This science fair project idea examines the reason boats are shaped and engineered.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Construct and experiment with a periscope using reflected light rays to gather an image.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

In this project students experiment with making music using only glasses of water.

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

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

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Discover whether a metal will expand under hot water.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Using a toy race car kids create a visual model of the Doppler Effect.

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