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

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Learn whether writing things down really makes things easier to remember.

This science fair project will help students learn about non-vascular plants, such as mosses.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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

This project examines whether playing music during class helps students learn or if it distracts students from learning.

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 challenges students to learn about and classify weeds and discover new practical uses for weeds.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

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

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 physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

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