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

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Here's a science activity to help your child investigate how seeds are designed to travel.

This experiment will explore how manipulating a graph of historical information might reveal new information about data.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair project idea investigates food preference of birds.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

In this science fair project, young children notice and track changes in trees throughout the year.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Explore the relationship between personality traits and birth order effects.

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

The objective of this science project is to investigate patterns in fingerprints among family members.

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

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Investigate which substances are most effective at removing salt from water.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.