Investigate • Model • Explain

Grades 7–10 Science

Evidence-based lessons and interactive practice for increasingly independent scientific reasoning.

Grade 7 Science

Begin with matter, then connect living systems, energy, and Earth systems.

Matter and Its Interactions

Analyze substances, mixtures, solutions, physical properties, changes, and separation methods.

4 lessons • 3 practice sets • mastery check
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Cells and Levels of Organization

Study cell structures, specialization, tissues, organs, body systems, and organization.

4 lessons • 3 practice sets • mastery check

Motion, Energy, and Waves

Explore motion, forces, heat, sound, light, and energy transformation.

4 lessons • 3 practice sets • mastery check
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Earth Systems and Space

Investigate Earth materials, atmosphere, weather, hazards, and space systems.

4 lessons • 3 practice sets • mastery check