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.

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.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

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

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

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

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!