Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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.

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!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

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.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.