What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This project investigates the affect of storage temperature on microwave popcorn.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

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

In this project students experiment with making music using only glasses of water.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This project examines whether playing music during class helps students learn or if it distracts students from learning.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

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

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.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This project examines what types of objects burn and which burn faster and cleaner.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This easy at-home experiment is a great way to "see" science.

This basketball project explores the best way to make the perfect shot every time.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Discover whether a metal will expand under hot water.

In this experiment we will be determining whether birds prefer certain colors of seed.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

This experiment tests which gender is better at catching how a magician performs his tricks.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

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.