Craters || || Overview · Evaluate parameters affecting crater formation. · Find the size of the asteroid/comet that killed the dinosaurs. · Understand how you can make your own series of craters, to observe the "geological" results. · Look at and evaluate images of craters on other planets/celestial bodies. Pre-lab Questions Answer these questions: 1.
b. The Study of Ants c. A Pepsi Drink d. The Study of a few rocks i. A. The most logical answer is A. Geology is the study of the earth and how it works 2. The Moon’s material is from______.
He suggested that at the centre of oceans, molten material would rise from the Earth’s mantle, causing new sea floor to be created, pushing the ocean floor. He also suggested that there were ocean trenches where old sea floor would then go back into the mantle, and molten. He found that these ocean trenches, the deepest parts of the ocean, were very near continental plates. Hess theorized that the action of the sea floor spreading caused continents to move apart and so this being evidence for continental drift, showing why it happened. The evidence of sea floor spreading was further supported by Vine and Drummond, who studied the magnetic pattern of the sea floor.
Brief description of Topic. This unit deals with the formation of the landscape of East Africa. The forces, which produce physical features, are of two types: internal forces and external forces. Earth movements e.g. folding, faulting, down warping and up warping, volcanicity and earthquakes have formed features on the landscape of E. Africa.
What is an isotope? Number of protons and neutrons added. Isotope: Number of neutrons vary. 4. Discuss each of the following physical properties of minerals: crystal form, color, streak, luster, hardness, cleavage, fracture, and specific gravity.
The Earth’s surface is divided into 15 main plates, some continental and some oceanic. Along some of the boundaries that split up these plates the vast majority of all volcanic and seismic events take place. I will demonstrate through the use of various examples over various time periods that the theory of plate tectonics is crucial in order to help our understanding of the distribution of these events. In 1912 Alfred Wegener proposed a theory of plate tectonics. He claimed that each of the present continents was once joined together as part of a super continent called Pangea.
Assess the strength of relationship between tectonic processes and major landforms at the Earth’s surface. There is a range of evidence to suggest there is a strong relationship between tectonic processes and major landforms at the Earth’s surface due to, for example, the presence of volcanoes, fold mountains, trenches, and ridges. Tectonic processes include, divergence, which is when plates move away from each other, convergence, when plates move toward each other and collide, Subduction zones, which occur where an oceanic plate meets a continental plate and is pushed underneath, Obduction, which occurs when the continental plate is pushed under the oceanic plate, and collision boundaries, which occur where two continental plates collide and push upwards to form large mountain ranges. However this evidence is weakened by the process of weathering and erosion, due to the presence of the Grand Canyon, one of the Earth’s major landforms. As well as landforms caused by river processes, such as the Bangladesh Delta – which can be seen via satellite - therefore a major landform.
http://solarsystem.nasa.gov/planets/ http://solarsystem.nasa.gov/planets/profile.cfm?Object=SolarSys&Display=Moons http://solarsystem.nasa.gov/planets/profile.cfm?Display=Moons http://nasa.gov use search window to search for topics http://www.go-astronomy.com/planets/planet-moons.htm http://messenger.jhuapl.edu/ http://nineplanets.org/ |What is the hottest planet in our solar system? |Venus | |Which planet has the most
12. How does the fact that the Earth has a magnetic field help provide evidence for the theory of plate tectonics? The magnetic “structure” of the Earth is changing because of plate tectonics. 13. What were the main components of the atmosphere when the Earth formed, and what are the main components today?
Properties of Water Property | Importance | Examples | Solvent | Metabolic processes in all organisms rely on chemicals being able to react together in solution. | 70-95% of cytoplasm is water. Dissolved chemicals take part in processes such as respiration and photosynthesis in living organisms. | Liquid | The movement of material around organisms both in cells and on a large scale in multicellular organisms requires a liquid transport medium. | Blood in animals and the vascular tissues in plants use water as a liquid transport medium.