EARTH & ATMOSPHERIC SCIENCE INDEX

Doc Brown's Chemistry - Earth Science & Geology Revision Notes for KS4 Science, GCSE, IGCSE & O Level Courses

Revision Notes on ATMOSPHERIC and GEOLOGICAL CHANGES on EARTH

doc b's Earth Science Notes

REVISION NOTES

A quick overview of the Earth's atmosphere, biosphere, hydrosphere & lithosphere

1. Evolution of the Earth's atmosphere, gases in air, carbon cycle, origin of life (3 pages)

2. Summary of the Rock Cycle and types of rock

3. Erosion of Rocks - chemical and physical weathering

4. Igneous Rocks - granite and basalt etc.

5. Sedimentary Rocks - limestone and sandstone etc.

6. Metamorphic Rocks - marble and slate etc.

7. The Structure of the Earth , crust, mantle, core and earthquake waves

8. Tectonic Plates - Wegener's theory, evidence for plate movement

9. More on plate tectonics, subduction zones, effects of plate movement

10. A few geology & atmospheric comments on our moon and planets

More detailed pages on the chemistry of the atmosphere

(i) Air pollution, incomplete combustion, carbon monoxide & soot

(ii) Greenhouse effect, global warming, climate change, carbon footprint from fossil fuel burning

(iii) Air pollution, sulfur oxides, nitrogen oxides, acid rain

doc b's Earth Science Notes

AND some QUIZZES

doc b foundation-easier multiple choice quiz on Earth Science

doc b higher-harder multiple choice quiz on Earth Science

click me! Five Earth Science word-fill worksheets Q1 * Q2 * Q3 * Q4 * Q5

View of Gordale Scar from above, not surprisingly, a major tourist attraction of the Yorkshire Dales.

doc b's Earth Science Notes

and The 'Spheres' of Planet Earth!

The Earth's Atmosphere

What do we mean by the atmosphere?

The band of gases held by gravity above the Earth's surface, mainly nitrogen N2 and oxygen O2.

Air is a mixture of gaseous molecules, some are elements like oxygen and nitrogen, and others are compounds like carbon dioxide and air pollutants like the oxides of sulfur and nitrogen.

The Earth's Hydrosphere

What do we mean by the hydrosphere?

All the water of lakes, rivers, seas & oceans on the Earth's surface.

The waters contain many dissolved substances, many of them ionic compounds like salts e.g. sodium chloride NaCl, magnesium chloride MgCl2, magnesium sulfate MgSO4, potassium bromide KBr

The Earth's Lithosphere

What do we mean by the lithosphere?

The solid crust and almost solid upper mantle of the Earth's upper rock layers. The lithosphere is a complex mixture of minerals.

The Earth's Biosphere

What do we mean by the biosphere?

All the living systems that reside on or near the Earth's surface. Life of many forms has adapted to exist in water, in air and on land.


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