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.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

Science fair project that creates fog using bottles of hot and cold water.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Find out whether matte or shiny nail polish lasts longer.

Test your friends to find out if you can replicate the placebo effect's incredible results.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Science fair project that explains and demonstrates the parallax principle.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Do you think heat can affect a plant's growth rate?

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Science fair project that determines how we can change potential energy into kinetic energy.

Test the idea that people who wear glasses tend to be more educated. True or false?

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