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

Explore the negative and positive consequences of stereotypes.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

Explore the belief in astrology as a predictive system.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

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.

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

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Test the combustion of different types of woods.

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

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

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

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

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Demonstrate how to tell the age of an egg without having to crack it open.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

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

Learn about the growing app design field by designing a new or improved app for smartphones.

Start your toy engines -- this is going to be a fast and friction-filled race!