This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This science fair project idea investigates if fats add to the flavor of food.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Discover whether cold or hot water from the faucet will boil faster on the stove.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.