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

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.

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

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

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.

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.

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

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.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

In this science fair project, students use the streak test to tell minerals apart from each other.

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.