This classic children's game demonstrates how sound travels through air vs. through a solid.

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.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

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

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.

The objective of this science project is to determine the length of time for different seeds to germinate.

This science fair project idea explores how length affects the weight a bridge can hold.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

In this activity your child will create their very own marble maze!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This project examines whether people's taste perception is influenced by what they see.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

This science fair project idea investigates how the shape of an object affects drag.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

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