This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

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

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Discover which fabrics shrink the most in the wash and why.

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 explains the process of how the lungs expand and contract with the help of the diaphragm.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

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

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

This science fair project idea examines which type of insulation holds in the most heat.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science fair project idea explores whether talking to a plant will help it grow.

Discover whether a metal will expand under hot water.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This project investigates the affect of storage temperature on microwave popcorn.