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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This science fair project idea identifies clouds as a means of predicting the weather.

The project determines which laundry detergent is best for cleaning clothes.

In this project, a mnemonic is used to test how it increases memory.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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.

Cleaning can be a chore, but not with this sudsy experiment!

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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!

The goal of this project is to create an exciting topographical map out of dough.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.