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Reading Levels These books contain three developmentally appropriate reading levels for each grade span.

Low
Mid
High

Each level of the book conveys similar concepts, images, and vocabulary.

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Earth's Surface

Earth's surface is the part of our planet that we interact with every day. This unit helps students explore the land and water that make up Earth's surface. The land is composed of rocks and soil. Water covers about 70 percent of Earth's surface. Much of it is salt water found in oceans. Fresh water can be found in lakes, ponds, rivers, and underground. Earth's surface is shaped into various landforms by gravity, wind, water, and the movements of Earth's crust. Earth's surface provides everything needed for life to thrive, including shelter, food, and water.

Overview Resources

Book Assembly

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Earth's Surface

Unit Nonfiction Books

Earth's Surface

Lesson Resources

Project-Based Learning Packs

Process Activities

FOCUS Books

Supporting Materials

Investigation Packs

I.Files

Mystery File

Science Fair Resources

Debates

Science Videos

Career Files

Quick Reads

Concept Books

Reading A-Z Books

Graphic Organizers

Retelling Rubrics

Science Diagrams

Game Packs

Vocabulary Cards

Word Work

Unit Nonfiction Books

La superficie de la Tierra

Book Assembly

Single-Sided

Double-Sided

Single-Sided Concept

Double-Sided Concept

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