First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

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

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

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

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

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

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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!

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 is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

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

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

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

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

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.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.