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Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Determine how good we are at direct and indirect observation.

Cleaning can be a chore, but not with this sudsy experiment!

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

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Use a dichotomous key to identify plants or animals.

This science fair project idea experiments with spinning color wheels and optical illusions.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

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.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.