Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this science project, the center of gravity is explored.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

In this project, different brands of microwave popcorn are tested and compared.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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.

The objective of this science project is to determine the length of time for different seeds to germinate.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.