When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.