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.

This project concerns activity happening millions of miles away, on the sun.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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.

This experiment will explore the best way to create a perfect soft-boiled egg.

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.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

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

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

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

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

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.

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

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.

This science fair project examines the different composition of fungi and plants.

This science fair project determines the quality of a given product.

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.