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It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

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.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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

Demonstrate how to tell the age of an egg without having to crack it open.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.