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.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

This project compares the strength of one, two, and three-ply toilet paper.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

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

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

In this activity, your child will be challenged to make a tower using paper cups.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.