In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science fair project examines how seeds hitchhike on animals and clothing.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea investigates the difference in reaction times between boys and girls.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

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

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!