How is a bridge built? Cement is mixed with water and rocks to make concrete. The concrete is poured into holes and into blocks that are stacked to make a bridge. Once fences and lights are added to the bridge, cars can drive across it.

A basic introduction to the characteristics of clouds.

Beginning readers will learn about the basic patterns of the Sun and Earth and what causes day and night.

From batting the ball to making a catch, baseball is fun! Learn the basics of the sport while building reading skills with these supportive texts.

Glowing candles, silver stars, and blue ribbons-Hanukkah is full of light and color! Learn about the culture and customs of this eight-day celebration through vibrant photos and engaging text. Crayola ® colors and a reproducible coloring page inspire readers to notice and celebrate the colors of their world.

Winter, spring, summer, and fall, the seasons are one of nature's most familiar cycles. But why does the weather change? Learn why weather patterns change over the seasons.

What if a friend asks you to share a secret? Is it ever okay to tell? Can you sometimes lie to stay out of trouble, or is it better to be completely honest? It's not always easy to tell right from wrong. Learning about trustworthiness will help you do what's right. The examples in this book show you how to be a good friend even in the trickiest situations. See how good it can feel to be trustworthy!

Hibernation is a cycle that some animals go through every year. Most people know that bears hibernate. But why do they hibernate? And what other animals hibernate?

An introduction to different grain products and the part they play in a healthy diet.

Curious readers will discover how screwdrivers tighten screws using different kinds of tips. A back matter spread explains how screws are simple machines used to fasten objects together.