Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Explore the negative and positive consequences of stereotypes.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Explore the belief in astrology as a predictive system.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this activity your child will create their very own marble maze!

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

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This science fair project idea identifies and understands adaptations in birds.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.