Convection Currents are formed by the rising of warm fluid and the movement of denser, cooler fluid to take its place. These currents are formed in the Asthenosphere in the Mantle. Convection Currents move the Earths plates (Tectonic Plates). This is what it looks like:
The four main layers of the Earth include the Crust, Mantle, Outer Core and the Inner Core.
Earthquakes and Shockwaves cause Seismic Waves. Scientists can use sensitive equipment called seismographs to detect and measure the waves. This can tell them the location of the Earthquakes source.
Part 2: Volcanoes can form at a plate boundary from the cracks in the plate and molten rocks then burst to the surface.
Volcanoes can also form away from a plate boundarys. When plates move apart, a spreading ridge (a chain of gentle volcanoes) is formed.
Earthquakes can also form at plate boundarys. The interaction between neighboring plates creates strain and deformation of the rocks on both sides of a fault. Under these conditions rocks are bending and storing elastic energy. Eventually the forces that hold the rocks together are overcome and the elastic energy is rapidly released.
Part 3:
Volcanoes can have many effects on the Earth's structure. A Volcano erupts with such a tremendous force that most of the magma is blasted into tiny particles of dust and ash in the Atmosphere. The ash particles produce and eerie darkness in the sky which reflects the sunlight which brings gorgeous sunsets and sunrises all over the world.
The Lithosphere is effected from the tectonic plates colliding due to the 'Subduction Zone'. This can also cause Earthquakes at the time of a Volcano eruption.
The impacts on the Biosphere from a Volcano can be horrific. The sun can be covered for multiple days due to the ash and drinking water can be affected from the dust particles. A tremendous roar is made during an eruption. Hot Lava can sometimes pour onto roads and people can die.
When an Earthquake hits, the Hydrosphere is affected. Earthquakes cause displacements underwater and the cause Tsunamis. The vertical displacement during an Earthquake causes a ripple effect causing waves which advance at 500 to 900 kilometres per hour and about 100 to
SPS Student Cover Sheet / Feedback Sheet *Indicated fields MUST be completed by student. *Exam number B072030 *Course History of Science *Essay title Natural History’s Important E’s: Earth and Evolution *Word count 1999 Marker’s name NOTE: Essay marks are reviewed by another member of staff prior to being returned to students This Section is for office use. Initial Mark Word count penalties Lateness penalties Adjusted Mark Overview Aspect of performance + Avg - Thinking skills (criticism…
change in average weather conditions, or in the distribution of weather around the average conditions (i.e., more or fewer extreme weather events). Climate change is caused by factors such as biotic processes, variations in solar radiation received by Earth, plate tectonics, and volcanic eruptions. Certain human activities have also been identified as significant causes of recent climate change, often referred to as "global warming".[1] Scientists actively work to understand past and future climate…
<b>Introduction</b><br>Think of a world which existed 290 million years ago. As you look out over the terane in front of you, you think that you are on an alien planet. You see volcanoes spewing ash and lava. Beside them is the ocean which is swarming with many different species of echinoderms, bryozoans and brachiopods. As you look down onto the sea floor you are amazed at the countless number of starfish and urchins. Some animals leave you can't even describe and you have no idea even what phylum…
1981-1982 Birkbeck College, University of London, Department of Crystallography. Course in Electron Microscopy. 1981-1982 London Technical Institute, Course in Petrology. 1980 Harvard University, Cambridge, MA. “Technical Examination of Works of Art” Course. 1979 Walter C. McCrone Research Institute. Microscopy for the Conservator (certificate). CAREER 1986-present The J. Paul Getty Museum Conservator-Department Head, Antiquities Conservation 1991 – present Adjunct Professor University…
TABLE OF CONTENTS 1.0- JOHN STEINER AND GEORGE STEINER SIX PRIMARY SOURCES OF ETHICS: 6 1- Religion: 6 2- Genetic Inheritance: 8 3- Philosophical Systems: 8 4- Cultural Experience: 8 5- The Legal System: 9 6- Codes of Conduct: 9 2.0- EXPLANATION OF THE SOURCES OF ETHICS: 10 2.1- RELIGION: 10 Teaching business ethics 12 2.11- Impact Of Religiosity: 13 2.12- Ethics Of Islam: 14 Nature of Islamic Ethics 17 The Human-Environment Relationship: 20 The Sustainable…
Part I. Introduction Chapter 1. What is Human Ecology? Chapter 2. Environment, Technology, and Culture What Is Human Ecology? 1 Chapter 1. WHAT IS HUMAN ECOLOGY? Another Unique Species (Title of Robert Foley’s 1987 book on evolutionary human ecology) I. Introduction What is human ecology? Human ecology is an approach to the study of human behavior marked by two committments. First, human ecologists think that humans should be studied living systems operating in complex environments…