This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

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

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

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

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 determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

This science fair project idea discovers the mechanism of laminar flow and encourages technological progress based on this concept.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

In this science fair project, students test how objects float and sink in liquids of different densities.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project idea's objective is to understand the architecture and function of neurons and their key components.