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.

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

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

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

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

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

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Get a better understanding of water content by dehydrating carrots.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

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

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.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Word color association is just a fancy way to talk about the way we connect colors with words.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

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