Coastal landscapes
MAGNETISM. Specification Magnetism and electromagnetism Magnetism understand that magnets repel and attract other magnets and attract magnetic substances.
Coastal Processes & Landforms Ms Carr 5 th year Geography.
Weathering Physical and Chemical Weathering. “Weathering” Vocabulary chemical weathering physical weathering ice wedging abrasion oxidation carbonation.
Over 2,500 years ago, ancient Chinese civilization discovered that certain rocks – now called lodestones – will attract each other, as well as pick up.
© Boardworks Ltd 2003. Weathering - chemicals Firstly, there is carbon dioxide gas which dissolves in rain to form weak carbonic acid. This very slowly.
IT IS ESTIMATED THAT THE EARTH FORMED ALONG WITH THE SOLAR SYSTEM 4.6 BILLION YEARS AGO (4,600 MYA) GEOLOGIC TIME SCALE A SUMMARY OF THE MAJOR EVENTS.
WEATHERING: the process by which rocks are BROKEN down by the action of PHYSICAL or CHEMICAL processes. 2 Types of Weathering 1. MECHANICAL weathering:
Energy and Nutrient Transfer Food chains and Food webs Objectives: *Describe a food chain and each feeding stage in it **Distinguish between a food chain.
GEOLOGIC HISTORY What the Earth’s surface features tell us about its past. my webpage.
Geologists estimate that the earth is about 4.6 billion years old!!! 4,600,000,000 years How are we able to estimate something like this?
Science 6 Study Pack #8. Today’s Goals… I can explain what weathering is. I can identify different causes of weathering.