Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science fair project idea explores whether color affects a person's emotional state.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

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

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

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

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

This science fair project idea determines the probability of a coin landing heads or tails.

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

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

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