Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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