Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

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.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

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!

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

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.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

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

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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