In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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!

This science fair project examines how seeds hitchhike on animals and clothing.

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

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Science fair project that determines whether mass and weight are the same or different.

Help your child plant a "tea garden": a garden made of herbs for making teas.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.