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.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Science fair project that creates fog using bottles of hot and cold water.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

Test the combustion of different types of woods.

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea examines liquids of different densities.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Plants and light seem to be good buddies, but how far does the friendship really go?

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

This science fair project idea demonstrates that plants give off water.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

This science fair project will investigate a type of sustainable development project.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

This science fair project idea discovers the average number on the Scoville scale that humans can endure in hot peppers before physical signs kick in.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Find out whether putting something on top of a plant will inhibit its growth.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.