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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

In this science fair project, students use the streak test to tell minerals apart from each other.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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.

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.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

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

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.