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The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

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

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

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

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

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

Test whether plants can grow without sunlight and water.

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

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this science fair project, students create their own miniature salt flats at home.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

In this science fair project, students make their own rain gauge to measure rainfall.

Discover whether a metal will expand under hot water.

In this experiment we will be determining whether birds prefer certain colors of seed.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project idea compares biodiversity between drops of water.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project idea provides evidence that air is everywhere and takes up space.

In this CD hovercraft science project, students will construct their own DIY hovercraft.