Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This project determines how much the rebound rates of tennis balls change after ten games.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

This basketball project explores the best way to make the perfect shot every time.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Make sourdough bread...and learn some colonial history and modern science in the process!

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.