Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?