Year 7 Science

Free interactive Year 7 Science notes for NSW students: working scientifically, classification, cells, the nature of matter, mixtures, the Earth, Sun and Moon, the Earth's resources and forces.

1Pick a chapter below.
2Read and explore: every topic has its own diagrams and an interactive you can play with.
3Test yourself: a quiz, fill the gaps, sorting tasks and exam-style short answers you mark against a marking guide.

Year 7 is the start of Stage 4 Science. The big ideas here, like particles, cells and forces, come back in every later year, so it pays to get them solid now. Tap Mark as mastered after each topic to track your progress on this device. No account needed.

Chapters

1 Thinking and Working Like a Scientist 9 sections

Asking testable questions, writing hypotheses, lab equipment and scientific diagrams, lab safety and hazard symbols, the Bunsen burner, variables and fair tests, observation and inference, measuring accurately, and writing reports with the right graph.

Notes Quizzes
2 Classification 10 sections

Why scientists classify living things, the characteristics of life, adaptations of Australian plants and animals, the Linnaean system and scientific names, using and building dichotomous keys, the kingdoms, vertebrates, invertebrates and plants, and how DNA is changing the tree of life.

Notes Quizzes
3 Cells 9 sections

How cells were discovered, using a light microscope, the parts of plant, animal and bacterial cells, measuring cells and specialised cells, respiration in mitochondria, cell division and cancer, how cells build tissues, organs and systems, and the skin as an organ.

Notes Quizzes
4 The Nature of Matter 8 sections

States of matter, the particle model, diffusion, density, strength, hardness and pressure, expansion, conduction and changes of state, explained with particles and interactive simulations.

Notes Quizzes
5 Mixtures 8 sections

Pure substances and mixtures, solutions, colloids and suspensions, dissolving and solubility, and the techniques used to separate mixtures: sieving, magnets, decanting, filtering, centrifuging, evaporation, crystallisation, distillation and chromatography, with real uses from water treatment to forensic science.

Notes Quizzes
6 The Earth, Sun and Moon 9 sections

Day and night, the seasons, phases of the Moon, tides and eclipses explained by the positions of the Sun, Earth and Moon; how models of the solar system changed from geocentric to heliocentric; the scale of the solar system; Aboriginal and Torres Strait Islander astronomy; and how telescopes, spectroscopes, probes and satellites have changed what we know about space.

Notes Quizzes
7 The Earth's Resources 10 sections

Renewable and non-renewable resources from the lithosphere, atmosphere, hydrosphere and biosphere; fossil fuels, power stations and uranium; minerals and mining; renewable energy and Australia's changing electricity grid; soil and living resources; Aboriginal and Torres Strait Islander resource management; the water cycle and managing water in Australia.

Notes Quizzes
8 Forces 10 sections

Pushes and pulls, newtons and spring balances, contact and non-contact forces, balanced and unbalanced forces, force diagrams, friction and air resistance, car safety, gravity, mass and weight, magnets and magnetic fields, electromagnets, static electricity and lightning, and simple machines such as levers and the woomera.

Notes Quizzes