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

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

Learn about coins and their value by making an animal piggy bank. Here's how to make a lion, pig, or sheep bank!

This footwear-focused activity introduces fractions as part of a set and it's the perfect way to generate excitement about fraction concepts.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

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

The Kindergarten Personal Record Book makes measurement fun & active! Kids record their vital statistics from head to toe using unusual tools like paper clips.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.