Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project idea investigates the relationship between memory and age.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

Find out whether packaged seeds actually do expire in this new science fair project idea.

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

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Free science fair project idea examining how different types of water affect plant germination and growth.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

This science fair project idea investigates whether plants can survive being frozen.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

How do organic materials become soil? This science experiment measures what materials biodegrade.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

This science fair project idea determines if the color of light affects the growth of plants.

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

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

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

This experiment will evaluate if chewing gum affects students' test performance.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.