Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Create a bee garden to help shelter bees in your area.

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.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science experiment tests if dog saliva can really help heal wounds.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

This science research project challenges students to think of more effective lobster farming methods.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

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

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.

Challenge your learner to design and build a city of their own in this creative engineering activity.