Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Make over an old shirt that's destined for the thrift shop with this heart cut-out craft for Valentine's Day.

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.

Let your child step into the main character's shoes as they keep track of the setting, events, and names of characters in the story by keeping a journal.

This activity teaches your third grader how to make a paper cut-out still life, in true Matisse-style.

Stay active over summer vacation with this fun take on the old favorite Red Rover!

The project determines which laundry detergent is best for cleaning clothes.

Use a basic tape recorder and some favorite books to help your first grader read smoothly--and make someone's day in the process!

Take the classic game to a new level, by including super fun directions inside the chalk-drawn boxes.

This hungry lunch bag monster will rev up your childâs appetite and get him excited about whatâs inside.

This activity creatively guides students in reflecting on and understanding what's happening inside of themselves at any given point.

Here's an activity that takes fourth grade reading and writing skills beyond the classroom to offer a warm welcome to a new neighbor.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

In this fun art exercise, kids practice seeing multiple shapes and colors inside a water-filled glass and recreate them as a still life using colored paper.

Challenge your fourth grader to try to recreate the geography of her state using just flour, salt, and water.

Stuck inside on a rainy day? Teach your child a classic kid's game: Five Stones. All you need are five stones and a flat surface.

Help your child construct and author a "sempuyo," a traditional Japanese book with accordion-style pages; she will develop her writing and fine motor skills.

Celebrate spring with a cute cut-out bug button your child can make out of colorful felt and markers!

Bring out your child’s creative side with this fun Halloween-themed craft.

Is your kid all bent out of shape? Try out some trendy dog yoga, or "doga," with your pet dog!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Put old, worn-out picture books to work by constructing a book birdhouse, perfect for welcoming spring.

Do different types of oil mix or stack? Find out in this science fair project idea!

Help your second grader craft some lovely, personalized Valentine's Day cards--out of kitchen materials!

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Make ancient Egypt come alive by showing kids how to make their own mini sarcophagus out of a shoe box.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!