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This science fair project idea identifies trees using a dichotomous key.

Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

Make unique jewelry and accessories using photos and shrinkable plastic sheets! It's like Shrinky Dinks, but better.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

Many kids find themselves especially challenged by writing in third grade. Here's how you can help, using a technique called "storyboarding."

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

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

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Vincent van Gogh painted golden hued pictures of the harvest using bold lines and vibrant color. Your child can explore this style of art using oil pastels.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

If using regular watercolors is getting a little dry, liven things up by using salt to create a beautiful painting with unique crystal texture!

Make your own menagerie of animals using empty walnut shells

This science fair project idea designs safe bicycle routes using GPS.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Go on a storytelling adventure using your kindergartenerâs five favorite picture books.

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

Make a shiny decorative Menorah using an egg carton and light bulbs.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.