part of Nea Kamini. It was created in 1570 and over time has developed rudimentary soil. The second point was on the south rim of the great Daphni crater. The crater is made up of scoriaceous lava. This is spongey lava that is filled with gaps from magma gas bubbles. We also viewed the Fouque and Reck lava domes that were formed from the eruption of 1939-1940. The third point was the central twin crater of Nea Kameni and was formed in 1940 by 2 hydrothermal eruptions. The east rim of the crater
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Lab 7: Catalysts Introduction Pre-Lab Questions 1. What is a catalyst? An enzyme is a biological catalyst that speeds up chemical reactions in the body. 2. If you continue to add more catalyst will the speed of a reaction always continue to increase? Explain your answer. It will continue to speed up the reaction until there is more catalyst than the limiting reactant. 3. In this lab you will produce oxygen and water from hydrogen peroxide (H2O2). Write a balanced reaction equation for this reaction
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Others lie between mountains‚ formed in response to the collision of sections of Earth’s crust. Still others formed as a result of many lava flows that spread out over hundreds of thousands of square miles‚ building up the land surface. These latter plateaus are known as lava or basalt plateaus (basalt is the dark‚ dense volcanic rock that forms these particular lava flows). Some plateaus can form simply when the side of a land region is weathered away through erosion (the gradual wearing away of Earth
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I visited the Lindgren gallery and observed the works there. The gallery is a hall way area with paintings‚ shirts‚ and shirt designs. The artist‚ Kimberly Chai‚ is originally from Hawaii‚ and many of her works reflect as aspect of Hawaiian culture. Even before looking at the artist and the topic of her works‚ I could easily tell that her work was Hawaiian. Being from Hawaii as well‚ I really felt a sense of home when I looked at the work here. Of all her work‚ I enjoyed her Stolen Hibiscus‚ Reflections
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Substrate concentration and yeast catalase Aim: To see how the substrate concentration in hydrogen peroxide affects the rate of an enzyme controlled reaction using yeast catalase. Introduction: An enzyme is a biological catalyst made of protein. Enzymes are protein molecules found in living organisms and in this case I will use a yeast catalase. Catalase is an enzyme that catalyzes the reduction of hydrogen peroxide. Hydrogen peroxide is a poisonous by-product of metabolism‚ so it is very
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Physical and Chemical Change Objective: Recognize and distinguish between chemical and physical changes. Materials: - lab balance - microspatula - lab burner - dropper pipet - 5 test tubes - mortar and pestle - test tube rack - magnet - test tube holder - insulating pad - watch glass - safety goggles - glass square - lab apron or coat - copper sulfate pentahydrate - iron fillings - sodium chloride - magnesium ribbon - hydrochloric acid - paper
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EARTH ENVIRONMENTS I: GEOMORPHOLOGY AND SOILS Question: compare and contrast the styles of eruptions and the volcanic features both landward and seaward of the Andesite Line. “The term andesite line predates the geologic understanding of plate tectonics.” In that it was the term first used to describe the unique structure of the gushing destructive volcano boundary. This term used for the first in 1912 by a man known to be Patrick Marshall of New Zealand. The andesite line is located in the Pacific
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the Earth’s crust will do in the future. Many things about Ecuador’s future landscape can be told through what has happened in the past. When volcanoes are active they erupt and produce lava (called magma when inside
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activity is due to magma from a hot spot nearby. The magma fills up in a reservoir two kilometers below the surface until a certain point at which it either explodes out the top‚ or it moves laterally forming dikes. These dikes‚ filled with solidified lava‚ shift leading to mountain deformation. There was almost a half-meter of displacement from the 1983 dike injection. The greatest earthquake recorded in Hawaiian history occurred on November 29‚ 1975. The displacement‚ which was between three and
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INTRODUCTION The enzyme catalase converts hydrogen peroxide (H2O2) to water and O2. The evolution of O2 causes bubbling. Thus‚ catalase-positive organisms that are mixed into hydrogen peroxide will cause bubbling (catalase-negative organisms will not). This test is good for distinguishing between Gram-positive cocci in chains (catalase negative) versus Gram-positive cocci in clusters (catalase positive). The coagulase test is used to differentiate Staphylococcus aureus from coagulase-negative
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