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.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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.

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 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.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.