Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

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

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Do you think heat can affect a plant's growth rate?

How well can people recall what they have observed. Test your knowledge in this fun experiment.