NCERT Class 6–8 Science (Curiosity): biology with simulations

The biology chapters of the NCERT Curiosity science textbooks for Classes 6, 7 and 8 in book order: living things and their habitats, food and health, life processes in plants and animals, and microorganisms. Each topic links to simulations that show it working.

17 topics · 27 simulations

Class 6

Grouping plants by root type, leaf venation and seed; herbs, shrubs, trees Curiosity 6 Ch 2 Diversity in the Living World
- Dichotomous key – classifying organisms with yes/no questions
Adaptations of plants and animals to habitats (desert, mountain, aquatic) Curiosity 6 Ch 2 Diversity in the Living World
- Adaptations explorer – deserts, polar regions, water and extremophiles
Components of food and tests for starch, protein and fat Curiosity 6 Ch 3 Mindful Eating
- Food tests – sugars, starch, protein and fats in unknown foods
Balanced diet, regional foods and deficiency diseases Curiosity 6 Ch 3 Mindful Eating
- Balanced Meal Planner – Energy, Nutrients and Traffic-Light Labels
Characteristics of living things; conditions for seed germination Curiosity 6 Ch 10 Living Creatures
- Flowering plant reproduction lab – dissection, pollination, dispersal and germination
Life cycles of plants and animals Curiosity 6 Ch 10 Living Creatures
- Life cycle and growth curve of a butterfly, frog and bean plant

Class 7

Puberty, hormones and reproductive health Curiosity 7 Ch 6 Adolescence: A Stage of Growth and Change
- Endocrine system – glands, hormones and feedback loops
- Human ovulation cycle and plant double fertilization
Digestion in humans Curiosity 7 Ch 9 Life Processes in Animals
- Digestive system journey – enzymes, bile and absorption by villi
Breathing and respiration; exhaled-air test Curiosity 7 Ch 9 Life Processes in Animals
- Breathing mechanics, spirometry and gas exchange
Photosynthesis: starch test, need for light and CO₂ Curiosity 7 Ch 10 Life Processes in Plants
- Photosynthesis practicals – starch test on leaves and hydrogencarbonate indicator
- Photosynthesis – counting oxygen bubbles in pondweed
Transport of water and transpiration; respiration in plants Curiosity 7 Ch 10 Life Processes in Plants

Class 8

Microorganisms under the microscope: bacteria, fungi, protozoa, algae Curiosity 8 Ch 2 The Invisible Living World
- Cell types gallery – specialised cells, unicellular organisms and atypical cells
- Microscopy lab – slides, calibration, cell size and electron microscopes
Useful microbes: curd, fermentation, nitrogen fixation Curiosity 8 Ch 2 The Invisible Living World
- Fermentation – lactic acid and ethanol pathways
- Nitrogen cycle – fixation, nitrification, denitrification and eutrophication
Food spoilage and preservation Curiosity 8 Ch 2 The Invisible Living World
- Bacteria in food – the temperature danger zone
- Food preservation – bacterial growth by temperature and time
Communicable diseases: spread and prevention Curiosity 8 Ch 3 Health: The Ultimate Treasure
- Communicable diseases – pathogen casebook, spread and plant disease
- Disease spread and herd immunity (SIR model)
Immunity, vaccination and antibiotics Curiosity 8 Ch 3 Health: The Ultimate Treasure
- Immune Response and Vaccination – Primary vs Secondary Response
- Antibiotic Resistance – Why You Should Finish the Course
Food chains and webs, interdependence and decomposers Curiosity 8 Ch 12 How Nature Works in Harmony
- Food web – removing species, invasive species and the energy pyramid
- Species interactions – competition, predation, parasitism and mutualism (Lotka–Volterra)

Topics follow the published curriculum; the mapping to simulations is by Simulic. Simulic is not affiliated with NCERT.