How do organic materials become soil? This science experiment measures what materials biodegrade.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Is it a square or a circle? See if you can trick your friends with this zany science project!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea explores whether white light can be separated into different colors.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.