Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

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

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

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

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

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 project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

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