Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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

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

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

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

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

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

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

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

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

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

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

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

Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.

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!

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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.

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!

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.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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 child celebrate the summer and the sun by making a sandy seascape.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Make edible amber fossils with your second grader to explore the fascinating world of science!

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.