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

This science fair project investigates why the number of visible stars changes from place to place.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

This science fair project idea explores the different properties of matter.

This science fair project idea produces varying pitches of sound.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

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.

Take a dive into the candy jar with this yummy science experiment.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Discover whether cold or hot water from the faucet will boil faster on the stove.

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

The goal of this project is to create an exciting topographical map out of dough.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

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.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.