Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science project teaches students to classify different shapes of leaves.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

In this experiment we will be determining whether birds prefer certain colors of seed.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.