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Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

This science fair project idea studies how talking on a cell phone affect driving?

In this science fair project, students make their own rain gauge to measure rainfall.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This experiment will investigate whether reward or punishment is more apt to motivate people.

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

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

Try this chemistry experiment with your curious kid and get some "shocking" results!

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.