Grade 1
Unit A: Plants, Animals, and People
Unit B: Living Things and Where They Live
Unit C: Earth, Our Home
Unit D: Weather and the Sky
Unit E: Describing Matter
Unit F: Energy Sources and Motion

Grade 2
Unit A: Plants and Animals
Unit B: Environments and Energy
Unit C: Treasures From Earth
Unit D: Patterns in the Sky
Unit E: Matter and Energy
Unit F: Motion and Forces

Grade 3
Unit A: How Living Things Function
Unit B: Living Things in Their Environment
Unit C: Earth\'s Surface
Unit D: The Earth in Space
Unit E: Matter
Unit F: Energy and Change

Grade 4
Unit A: Organization of Living Things
Unit B: Ecosystems
Unit C: The Solid Earth
Unit D: The Atmosphere and Beyond
Unit E: The Nature of Matter
Unit F: Energy and Motion

Grade 5
Unit A: The Life Processes
Unit B: Interactions Among Living Things
Unit C: Earth Systems
Unit D: Atmosphere and Solar System
Unit E: Kinds of Matter
Unit F: Forms of Energy

Grade 6
Unit A: Continuity of Life
Unit B: The Changing Environment
Unit C: The Dynamic Earth
Unit D: Earth in the Universe
Unit E: Matter and Its Properties
Unit F: Energy, Forces, and Motion