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Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Find out whether matte or shiny nail polish lasts longer.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

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

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science fair project idea determines if the color of light affects the growth of plants.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.