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Illustration of the nitrogen cycle
Nature

Nature Studies

Short video lessons on the Earth and its place in space, weather and climate, water, rocks and minerals, soil, and the materials around us.

  • 40 lessons
  • Lesson 1 free
  • Video
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All 40 lessons

Taught with short videos.

  1. Lesson 1Free

    Our Cosmic Home

    Earth’s position in the Solar System, rotation and orbit, and factors influencing the climate.

  2. Lesson 2

    Our Eternal Companion

    Formation and position of the Moon, solar and lunar eclipses, and the tidal phenomenon.

  3. Lesson 3

    Cold & Hot

    Earth’s spherical shell structure, inner and outer shells, and the structure of the crust, mantle and core.

  4. Lesson 4

    Birth of Giants

    Mountain formation through folding, faulting and volcanism, and the formation of subduction zones.

  5. Lesson 5

    Giants on Fire

    Volcanic activity and after-effects, volcano formation at plate margins, within tectonic plates, and under water.

  6. Lesson 6

    It's Moving There

    How earthquakes occur, tectonic plate movements, and the measurement and magnitude of earthquakes.

  7. Lesson 7

    Wonderful Stalactites

    Formation of karst phenomena by dissolution and precipitation, surface and underground features, and the names of different karst formations.

  8. Lesson 8

    Cold, Slightly Warm, Hot!

    Solar and real climate zones, and the formation and characteristics of geographical zonality.

  9. Lesson 9

    Climbing Through Climates

    Factors influencing altitudinal zonation, boundaries separating the zones, and characteristic vegetation.

  10. Lesson 10

    Wind in the Sky

    Factors shaping air flow and air pressure, wind systems, and the effect of the Coriolis force.

  11. Lesson 11

    Weather Fronts

    Formation of atmospheric vortices, cyclones, anticyclones, and characteristics of cold and warm fronts.

  12. Lesson 12

    Moisture in the Air

    Characteristics of atmospheric water vapour, condensation nuclei, and the formation of fog, clouds and ground precipitation.

  13. Lesson 13

    The Source of Life

    Water molecule structure, physical properties, solvent properties, and the thermodynamics of lakes.

  14. Lesson 14

    Water, Water Everywhere

    The hydrosphere, oceans and seas forming the World Ocean, and renewal of Earth’s water resources.

  15. Lesson 15

    The Water Cycle

    The hydrological cycle: evaporation, condensation, precipitation, and surface and subsurface water movements.

  16. Lesson 16

    Surface Waters

    Surface freshwaters: rivers, lakes and polar ice, plus watercourse, water yield, water flow regime, water level and flood.

  17. Lesson 17

    Under the Surface...

    Role and types of groundwater resources, and the composition and characteristics of natural mineral water.

  18. Lesson 18

    Atomic Models

    Development of atomic models from Democritus through Dalton, Thomson and Rutherford to Schrödinger.

  19. Lesson 19

    Inside the Atom

    Parts of the atom, structure and size of the nucleus and electron cloud, and formation of covalent bonds.

  20. Lesson 20

    The World's Composition

    Formation and decay of elements, creation of the periodic table, and naming of the elements.

  21. Lesson 21

    Why is the Way it is?

    Crystal lattice types in solids: atomic, molecular, metal and ionic lattices, and their characteristics.

  22. Lesson 22

    Black Diamonds

    Conditions of coal formation, coal types and characteristics, mineral coals, and the carbon-14 isotope.

  23. Lesson 23

    Triplets

    Carbon allotropes: diamond, graphite, fullerenes and graphene, their structures and properties.

  24. Lesson 24

    Secret of the Mines

    Definition of ores, formation of magmatic and sedimentary ore deposits, hydrothermal ore precipitation, and characteristics of metals.

  25. Lesson 25

    Sedimentary Rocks

    Types and formation processes of sedimentary rocks, and the process of bauxite production.

  26. Lesson 26

    Strike While It is Hot

    Properties, occurrence and uses of iron, iron compounds, alloys, and chemical reactions of iron.

  27. Lesson 27

    The Queen of Metals

    Properties and reactions of silver, and its uses from antiquity to the present day.

  28. Lesson 28

    Golden Shine

    Characteristics of precious metals, and the properties, occurrence, alloys and uses of gold.

  29. Lesson 29

    Exhaustible Energy Resources

    Formation, extraction, composition and uses of the two main fossil energy resources: crude oil and natural gas.

  30. Lesson 30

    Life Under Our Feet

    Soil as a three-phase system, soil formation, soil horizons, and organic and mineral components.

  31. Lesson 31

    The Seventh Element

    Properties, molecular structure, occurrence, biological significance and uses of nitrogen.

  32. Lesson 32

    Where are You, Nitrogen?

    The nitrogen cycle: nitrogen fixation, nitrification, ammonification and denitrification, and the dangers of nitrogen fertiliser use.

  33. Lesson 33

    States of Matter

    Characteristics of solid, liquid, gas and plasma states, and interactions between particles.

  34. Lesson 34

    Potatoes à la Darwin

    Changes of state, the effect of pressure on phase transitions, and dynamic equilibrium.

  35. Lesson 35

    Seawater as a Solution

    Concepts of solution, solvent and solute, salinity of seas and oceans, and true solutions.

  36. Lesson 36

    Solvents

    Characteristics of solubility, the dissolution process, solution concentration, and behaviour of polar and non-polar substances.

  37. Lesson 37

    The Message of the Cabbage

    Acidic and alkaline conditions, the pH scale, movement of hydrogen ions, and different indicators.

  38. Lesson 38

    Gases

    Air as a gas mixture, and the significance and characteristics of its components.

  39. Lesson 39

    Dirty Business

    Greenhouse effect, global warming, air pollution, types and characteristics of smog, and formation of acid rain.

  40. Lesson 40

    Under a Protective Shield

    Layers of the atmosphere: troposphere, stratosphere, mesosphere and thermosphere, their temperature characteristics, and the ozone layer.

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