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This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Here's an arts and crafts guide for your high-school teenager that'll help her create a naturalist drawing and painting.

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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

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.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

This science fair project teaches students about wilting and browning of salad greens.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

This science fair project idea raises awareness of a real ecological issue.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Engineers in training can get started with this simple wheel-and-axle construction activity.