Grade 7 — Science

NGSS Aligned

Grade 7 — Science

Grade 7 Science covers cell division and heredity, Newton's laws and wave properties, and weather systems and climate change — aligned to the Next Generation Science Standards.

Units & Topics Covered

3 units  ·  18 topics

Life Science: Heredity & Genetics

  • Cell division: mitosis and its role in growth and repair
  • Sexual vs asexual reproduction: advantages and trade-offs
  • Genes, alleles, dominant and recessive traits
  • Punnett squares and predicting the probability of traits
  • How mutations can affect an organism
  • Introduction to natural selection and how traits change over generations

Physical Science: Forces & Waves

  • Newton's First Law: inertia and the tendency to resist change in motion
  • Newton's Second Law: F = ma and the relationship between force, mass, acceleration
  • Newton's Third Law: action and reaction forces
  • Types of forces: gravity, friction, normal, and applied forces
  • Wave properties: amplitude, wavelength, frequency, and speed
  • Transverse vs longitudinal waves; real-world examples

Earth Science: Weather & Climate

  • Layers of Earth's atmosphere: troposphere, stratosphere, mesosphere, thermosphere
  • Weather systems: air masses, fronts, and pressure systems
  • How weather maps are read and interpreted
  • The difference between weather and climate
  • Human-caused factors contributing to climate change
  • Solutions to reduce and mitigate the effects of climate change
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