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Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

This science fair project idea explores how water and ice can change the form of rocks.

This science fair project idea explores the egg's thin membrane.

This project explores differences in people's reactions to images in color and images in black and white.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

This science fair project idea explores whether color affects a person's emotional state.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!