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This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Which Plants Can Resist Walnut Tree Allelopathy?

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Which Seeds Can Survive a Harsh Winter?

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

Iodide in Salt

Explore the negative and positive consequences of stereotypes.

What are Stereotypes? How Do They Help or Hurt People?

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Tide Pool Animals

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Different Types of Rocks

This lesson, perfect for first and second grade learners, will help kids become environmental activists as they think of ways to help the Earth! First, students will brainstorm examples of what it means to reduce, reuse, and recycle. Next, students will partake in a creative art project where they trace their hands and think of way ways they can give the planet a hand. This engaging activity integrates creative writing skills and Earth science.

Give the Planet a Hand!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Why Does Honey Crystallize?

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

How Do Icicles Form?

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Bernoulli's Principle Experiment

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Regrow Cabbage: Vegetative Reproduction and Cloning Plants

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Unpuckering the Persimmon

Explore concepts in current and coltage with these Van de Graaff generator experiments.

Van de Graaff Generator Experiments

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Grow Slime Mold

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

Orbital Speed: How Do Satellites Orbit?

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Hot Desert Plant Adaptations

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

The Science Behind Keeping Flowers Fresh

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Energy Efficient Windows

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Earthworms and Plant Growth - Are They Related?

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

Play Camouflage Match-Up!

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

How to Make Gears

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Surface Features of the Moon Model

Check out this cool middle school science fair project idea to determine if shopping carts  are really carriers of harmful bacteria.

Oh! Those Shopping Carts! Are They Really Carriers of Bacteria?

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.

African Savanna Animal Adaptations: Camouflage

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Build a Castle...and Explore First Grade Geometry!

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

Which Battery Lasts the Longest?

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Relationship Between the Distance and Time of a Falling Object

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Which Stimulus Causes the Greatest Growth (Tropism) in a Plant?

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

Magic with Magnets

Learn the anatomical and physiological differences between central and peripheral visual systems.

Seeing Straight and Responding Quickly: Peripheral vs. Central Vision

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