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

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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!

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This science fair project idea produces sounds by creating vibrations using different objects.

This tactile activity helps kindergarteners learn about texture.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.