The Expedition Of Lewis And Clark
Living And Nonliving Things
Weathering & Erosion
Desert Habitats
The Magic Of Magnetism
Plant Parts And Their Uses
The Solar System
Early Explorers
United States Expansionism
Thinking Like A Scientist
Columbus Day
How Plants Grow
Getting To Know Soil
Plymouth Plantation
How Things Move
The Difference Between Wants And Needs
The Wonder Of Sound
U.S. Celebrations
The Legislative Branch
Moving To America
Ocean Habitats
U.S. Symbols
This Is Our Government
The Importance Of Plants
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