In this design challenge, your child will make a bottle rocket using typical household items.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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

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

In this science fair project you will make a model of a cell membrane using very simple material.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

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 fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.