Science S3 By Darcy Palimaka

“Step 1 - Geological Activity

In the science workshops you have investigated where major earthquake and volcanic activity occurs on Earth. You will construct a global map of areas of major volcanic activity and use this to predict where the Tectonic Plates are positioned.

This map must be glued into your SCIENCE JOURNAL. Your map should include;

* Names of all continents ( Including Antarctica) and oceans ( Pacific, Atlantic, Indian)

* Major Volcanoes and major plate boundaries.

Step 2 - Milestones in the earth evolution.

Choose a GEOLOGICAL milestone that took place in the evolution of Earth. Draw a representation of this event and then write a short explanation on why you think this event was important. You must include how many years ago that it happened.

Wegener’s theory of continental drift was not widely accepted when he first proposed it. Write an explanation of what happened in the 1940s to support his theory and disprove his critics."

“Step 3 - Plate Tectonics

In your SCIENCE workbook draw a detailed representation of the interior of:

a subduction Zone…and describe the geological processes that occur in these regions, giving an example of where on Earth these are located.

Seafloor spreading …and describe the geological processes that occur in these regions, giving an example of where on Earth these are located."

A subduction zone. definition: A subduction zone is a region of the Earth's crust where tectonic plates meet. It is located in Subduction zones circle the Pacific Ocean
Seafloor spreading. Definition: plate 1 and 2 move apart, magma rises, cools and solidifies it is located in mid ocean ridges.

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