Unit A. Life Science
 1. Comparing Living Things
 2. Reproduction and Change
 3. Adaptations
 4. Ecology

Unit B. Physical Science
 1. Classifying Matter
 2. Investigating Motion
 3. Forms of Energy
 4. Electrical Energy

Unit C. Earth Science
 1. The Changing Earth
 2. The Earth’s Resources
 3. Climate
 4. Astronomy

Unit D. Human Body
 1. Respiration and Excretion
 2. Living a Healthy Life