Grades 2 - 5

A row of snowmen makes an alternating pattern: big, small, big, small. Tracks in the snow from a dog form a pattern of paw prints. A single tiny snowflake has a pattern made up of many… More →

The wooden boards of a bench make a pattern of lines. A slide in a playground swirls around, making a spiral pattern. A group of ducks floating in a pond makes an alternating pattern: brown,… More →

In a scorching desert, a rattlesnake moves sideways, making a wavy pattern in the sand. Clumps of round cactuses form a pattern of circles. The colorful shell of a tortoise forms two… More →

Deep in a jungle, a colorful, striped snake slithers on the ground. The stripes on its skin make an alternating pattern: black, yellow, red, black, yellow, red. Black dots on a tree frog's… More →

What happens to trash if it is thrown into a river? Where does garbage in a lake come from, and how can it harm animals that live there? Poisoned Rivers and Lakes introduces young readers to… More →

From switching on a lamp to seeing the sun rise in the morning, we experience light every day, but what exactly is light? In this title, students will have the opportunity to conduct… More →

The ground rumbles and shakes as cracks appear in the sidewalk. A house starts to sway back and forth. The family inside hides under a table to protect themselves from falling debris. In this More →

It's early morning in an African desert. Suddenly, from a small hole in the sandy ground, a little meerkat appears. Then another and another pops out. Soon a whole family, or mob, of meerkats More →

For days and days, rainstorms pound a community. A nearby river swells until its banks overflow. Water surges over the land, washing away roads and buildings. In this captivating introduction More →

A giant, spinning storm forms over the ocean. People living on the coast start to flee inland for safety. Once the storm makes landfall, heavy rains and fast-moving winds knock down trees and More →

What happens to our trash once the garbage truck hauls it away? What is a landfill, and why is it bad for Earth's future? What happens to trash made from plastic, paper, and aluminum if we… More →

Heavy snow falls from the sky as the wind fiercely blows. The snow swirls around and around, making it impossible to see. In this captivating introduction to blizzards, early readers will be… More →