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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