7th grade · Science
What a 7th grade student learns in Science
Grade 7 science focuses on life science, with students mastering how cells and body systems function, how energy and matter flow through organisms and ecosystems, patterns of heredity, and the mechanisms and evidence of biological evolution, all at full middle-school rigor using models, data analysis, and scientific explanations.
The skills for the year
- 1Cell theory and distinguishing prokaryotic vs. eukaryotic cells
- 2Structure and function of major cell organelles
- 3Photosynthesis and cellular respiration as complementary processes
- 4Passive and active transport (diffusion, osmosis, facilitated diffusion)
- 5Levels of organization from cells to organ systems
- 6Interactions among human body systems to maintain homeostasis
- 7Asexual vs. sexual reproduction; modeling mitosis and meiosis
- 8DNA structure, genes, chromosomes, and basic protein synthesis
- 9Mendelian inheritance patterns using Punnett squares and pedigrees
- 10Sources and effects of genetic variation and mutations
- 11Natural selection leading to adaptation in populations
- 12Evidence for evolution and common ancestry (fossils, anatomy, DNA, embryology)
- 13Energy flow through food chains, webs, and trophic pyramids
- 14Biogeochemical cycling of matter (water, carbon, nitrogen)
- 15Population dynamics, carrying capacity, and ecosystem stability
- 16Biodiversity, human impacts on ecosystems, and conservation solutions
- 17Classification of organisms using shared characteristics and relatedness
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