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Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Testing the Birthday Paradox

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

Portable Photon Kit

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

What Kinds of Water Yield Fastest Plant Growth?

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Backyard Biosphere

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.

Does Ultraviolet (UV) Light Pass through Some Colors More than Others?

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

What are the Effects of Light Intensity on the Rate of Photosynthesis and Oxygen Production in Plants?

Can cells be frozen? This science fair project provides information to answer this question.

Diffusion, Membranes, and Cryogenics: Can We Freeze Cells?

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Water Purification Experiment: Removing Chlorine From Water

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Dog Diets: Will a Dog Prefer Homemade Dog Food?

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Testing pH Levels in Everyday Foods and Household Products

Science fair project that determines whether moths are attracted to one color of light more than others.

A Moth's Favorite Light

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

Making Pictures With Dots

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

The Effect of Caffeine on Plant Growth

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Soil Ecology

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

DIY Compost: Aerobic and Anaerobic Decomposition

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

How Fiber Optics Work: Total Internal Reflection

Use a dichotomous key to identify plants or animals.

Dichotomous Key

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

A Deep Sea Diver! How Does it Work? Is Air Heavier or Lighter than Water?

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Force and the Fulcrum

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

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Making Sugar Crystals

In this lesson, students will learn the word 'animation' and create an animated figure in a flip book.

Flip Book Animation

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Comparing Different Methods of Assessing Turbidity

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Good and Bad Lipids

Determine how good we are at direct and indirect observation.

Direct Or Indirect?

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Transpiration Experiment

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Distance and Angle

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Grafting 101

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Starting a Fire

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Drum Size and Pitch

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