Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Surprise your favorite bookworm this Halloween with a witchy bookmark!

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?

This activity is a great way to engage learners in Earth Day celebrations while cultivating skills around nonfiction comprehension and research writing.

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This science fair project will help students learn about non-vascular plants, such as mosses.

Invite your fifth grader to design a fleet of miniature paddle boats to race in the family bathtub.

How can your child learn about nations during the Olympics? By adopting 5 teams as his own! Here's how.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Here's a fun at-home activity that will help your child strengthen his ability to work with and interpret data in various forms.

Is your child an amateur origami master? Reach the next stage of paper folding genius with this origami heart!

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Toss playing cards into boxes while you practice addition and multiplication with decimals in this fun, fifth grade math game.

Kokeshi dolls have been around since the 17th century, and now your child can recreate a piece of Japanese history and culture right at home.

Being a kid is hard work. Soothe stresses and calm fears with this DIY Zen garden -- all you need is sand, stones and a shoebox.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Be active while learning about American history with this twist on the classic running game "Capture the Flag."

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Celebrate our nation's colonial history by making your very own weaving loom!

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.