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.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This project investigates the affect of storage temperature on microwave popcorn.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Learn all about balance and motion as your child designs a corn maze!

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Do you think heat can affect a plant's growth rate?

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

This science experiment has students test whether a snail moves faster on concrete or dirt.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

In this experiment you will replicate the mummification process by making a hot dog mummy.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

How powerful is the reaction between baking soda and vinegar? Find out here!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This science fair project idea compares biodiversity between drops of water.