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

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

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

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

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.

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.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

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

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.