In this project children practice the scientific method while playing with puffy paint.

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

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

In this science fair project, young children notice and track changes in trees throughout the year.

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

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

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

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

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.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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

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.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.