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What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Best Fertilizer: The Effects of Fertilizer on Plant Growth

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Logo Recognition: Effects of Media on Children

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Electrolysis of Water Experiment

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Build a Tunnel

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Design Challenge: Building a Bridge

Introduce students to the term **algorithm** using the familiar story of The *Three Little Pigs*. In this lesson, students will develop an algorithm, or a step-by-step **sequence** of instructions, for building a house made out of bricks.


Little Pig Algorithm

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

Color Rendering Index: The Best Lighting for Makeup

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Bee Homes: Which Nest is Best?

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

Heating Plants: The Great Growth Race

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Plane Mirror Reflection Experiment

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Build Your Own Photobioreactor

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Tangential Velocity and Circular Motion Experiment

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Tropical Rainforest Trees: Buttress Roots

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

How to Remove Water Stains From Fabric

In this lesson, students will solve a design problem and practice troubleshooting as they create a list of instructions for putting together a tent.

The Mystery of the Missing Instructions

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Earthworms and Light: Do Worms Prefer Darkness?

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Examples of Mechanical Weathering

Create safe lightning for kids! They&#39;ll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

How to Make Lightning

In this design challenge, your child will create a parachute for a small toy using typical household items.

Design Challenge: Making a Parachute

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Bee Watcher: What's Buzzing?

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

How to use Colored Filters to Send Secret Messages

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

How to Find Maximum Height of a Projectile

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Inverse Square Law: How Does Distance Affect the Spreading of Light?

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

What is Topography?

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

Apparent Weightlessness in an Elevator

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics  with this easy science fair project that pits melody against white noise.

Pareidolia: People Hear What They Want to Hear

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Split Brain Research

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

An Electrical Chemical Machine

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

What Causes the Seasons to Change?

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