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Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Greenhouse Effect

Study and categorize the functions and types of genes. Run gene experiments  chosen from links. Analyze data, explain ideas in a detailed report.

Genes

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Do It Yourself Weather!

Construct batteries that make electricity from fruits with this fun science fair project.

Fruit Battery

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

The Answer is Blowing in the Wind

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

Visualizing Pitch

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

Lenz's Law: Magnet Through a Copper Tube

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Rate of Diffusion

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Gender Probability: Male and Female Chromosomes

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Floating Paper Clip

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

How to Separate Salt from Water

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

How to Make a Lemon Battery

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Counting Tree Rings

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?

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years.  In this science fair project, kids learn how dinosaur tracks were left behind!

Dinosaur Tracks: How Are Fossilized Imprints Formed?

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Magnifying Power and Focal Length of a Lens

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Determine the Effect of Gray Water on Plant Growth

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!

Star Clock

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

Mineral Streak

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Does Music Help or Distract from Classroom Learning?

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

High School Memories

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 heats up faster&acirc;water or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Specific Heat of Water vs. Specific Heat of Sand

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old &ldquo;why&rdquo; questions. As you walk with your child, you can encourage them to ask questions.

Inspire Simple STEAM Exploration

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

Energy Transformation

Explore the relationship between personality traits and birth order effects.

Born to Rebel: Birth Order and Personality

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

How A Kazoo Makes Sounds

This project involves the development of a website using free software online to promote the value of science.

Creating a Website to Promote the Value of Science

Design an  improvement for an existing website. Program improved feature, get website owner to implemement new design.

Site Remoldeling

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Compost Sorting

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