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In this science fair project, young children notice and track changes in trees throughout the year.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

This project examines which style of central-air system filter traps the most particles from the air.

This experiment will explore if and where fractals can be found in the natural world.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This experiment will examine and precisely measure the amount of sugar in various sodas.

Science fair project that compares tap water and bottled water for the presence of common impurities.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

This science fair project idea identifies and understands adaptations in birds.

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

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?

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.