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

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!

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.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

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

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

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 how different types of soil affect how animal tracks form in this experiment!

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.

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.