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.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

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

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.

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?

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

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.