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This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

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

Determine which material produces the strongest static charge.

Test out various brands of permanent markers to see which one is least water soluble.

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.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

This science project investigates the influence of different genres of movies on appetite.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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

This experiment investigates whether smell can be used to enhance test subjects' memories.

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

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

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.