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

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project idea determines the probability of a coin landing heads or tails.

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.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

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

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project teaches students about wilting and browning of salad greens.

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

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.