Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

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.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

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

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

Discover which method for odor removal words the best for stifling refrigerator odors.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

This science fair project idea examines the differences between bottle water, filtered water, and tap water.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

Science fair project that tests whether cats have a preference for organic food.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

This science fair project idea explores the fastest average speed a human can talk.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project that uses distillation to convert salt water into fresh water.