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Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science project helps students gain understanding of bioluminescence, the phenomenon that allows fireflies and glow worms to give off light.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Have you or your child ever heard that nursery rhyme and wondered just what curds and whey are anyway? Do this simple experiment together to find out!

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This project compares different liquids and the freezing, melting and boiling points of liquids.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

This science fair experiment examines the relationship between gender, age, and smiling.

Determine whether the relationship between a personâs armspan and height are genetic.

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

This slightly messy, but tons-of-fun tactile activity will cement the idea of the land and water as pictured on maps in your young learner's mind.

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

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

Science fair project that determines how we can change potential energy into kinetic energy.

This science fair project idea investigates how color affects temperature.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.