This project examines the concentration of dissolved oxygen in water, with and without oil.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

Examine the impact of insecticides on plant growth.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Is your child a young ornithologist in the making?

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science fair project researches the most effective method to cut an onion and stay tear-free.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

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

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.