1. What are the temperatures for freezing water on the Celsius and Fahrenheit scales? For boiling water? The Celsius scale for freezing temperature of water is 0oC and boiling point is 100oC. The Fahrenheit scale for freezing temperature of water is 32oF and boiling point is 212oF. 2. Distinguish between temperature and heat. Objects do not possess heat. When two objects interact with different temperatures, there’s transfer of energy between objects is called heat.
Answer: Yes, the valves are different in size. 5. (nothing to answer – only read) 6. What is the function of this Muscle? ⦁ Answer: The function of the muscle in the picture seen is opening and closing. 7. (answer only if you have a real specimen) Internal Anatomy 1. Describe or sketch different methods you might use to shuck and oyster: ⦁ Answer:
Objective The purpose of this lab was to demonstrate and view the osmotic process without using a microscope or chemical testing. In order to do so, background knowledge on the direction and flow of water is needed to identify the movement of osmosis. Hypothesis The hypotonic solution will cause the potato strip to become heavier relative to its previous mass, the hypertonic solution will cause a decrease in the potato strip’s mass, and the isotonic solution will result in no change in mass.
Sulfuric acid or “Oil of Vitriol” is a clear, oily and strong acid with a chemical formula of H2SO4. It is water soluble and odorless. It is highly corrosive to most metals and biological materials. It is usually used in the liquid form and often diluted with water or other chemicals for use. It is estimated that by 2012, world production of sulfuric acid would reach over 250 million tons a year. The History of Sulfuric Acid The first mentions of sulfuric acid in history are somewhat lost
This is because the steel is hard but brittle and has internal stresses. The solution to this is by tempering to increase toughness, reduce the brittleness but in turn reduces hardness. Tempering a steel heats up the steel to temperatures ranging from 200-500°C depending on the desired mechanical properties. Heating after the quenching allows the carbon to diffuse into the martensite to relieve internal stresses. The end result would be the shock absorption capability which depends
root growth, but it also serves as a water filtration device and nutrient deposit, both being essential for plant growth. Once a seed has been planted in soil it will typically go through a stage of germination, where the seed will grow Unlike animals, plants have no primary arrangement such as an internal or external skeleton to protect their internal physiology and provide structure for their bodily structures (Regenerative, 2016). Although the amount of water plants need for sustaining growth in
appropriate to sustain life. We believe no life can exist on Miranda because it has no water, has very few nutrients and unreasonable temperatures which is illustrated in this moon having ice, rock material and temperatures that are too cold for life. For instance, Miranda has no form of water which all living things need. On Miranda there is only ice, this would be okay if there was a way for the ice to melt into water.
discussed above, Hydrate formation begins when fluid temperature drops below a certain level and starts to nucleate close to the hydrocarbon phase on a water droplet in gas, oil or condensate phases. Hydrates grow along the surface of a droplet, until it is completely covered with a thin hydrate layer. Then, water will penetrates from the interior of the water droplet to the surface of the hydrophilic hydrate surface next to the hydrocarbon phase through micro-perforations or small cracks in the hydrate
Through this experiment, we wanted to find out whether different amounts of water would affect the gradual growth of a plant over a long period of time, and this plant maintains homeostasis through this process. My hypothesis was that I believe that the plants would eventually die if it given too much or too less water, and in order to survive, it must have an amount of water that is not in extremes (too much or too less) to regulate homeostasis. As we conducted our experiment, we noticed that
world faces many environmental issues impacting water, air, and life on earth. The Funk and Wagnalls New World Encyclopedia defines pollution as the “contamination of air, water, or soil by materials that interfere with human health, the quality of life, or the natural functioning of ecosystems. For pollution of the atmosphere by emissions from industrial plants, incinerators, internal-combustion engines, and other sources. For contamination of water, rivers, lakes, and seas by domestic, municipal
Record the mass to the closest 0.01 g. Exchange the strong to a 25-mm x 200-mm test tube. Place 300 mL of faucet water in a 500-mL recepticle. Warmth to bubbling utilizing a Bunsen burner. Utilize a test tube brace to put the test tube containing the obscure strong in the bubbling water shower. Warmth until the greater part of the strong melts. Pour 140-160 mL of faucet water into a 250-mL graduated barrel. Record the volume to the closest 1 mL. Place a buret clasp on a help stand. Gather
there are more water molecules on the inside of the cell. If positive feedback continues, the cell will eventually burst. When a solution is hypertonic, this causes the cell to shrink, because there are more water molecules on the outside of the cell. Over time, the cell will start to function poorly (“Difference between Hypertonic, Hypotonic, Isotonic Solutions”). Therefore, the cell needs to maintain its internal environment through osmosis. In a hypotonic solution, osmosis allows water molecules to
delicate shell membrane connecting the inner contents of the egg. The shell is selectively absorbent only to water. The solution that is the dissolved in the internal contents of the egg is approximately 18-20% which is the solute concentration. solute concentration is the solution that will be dissolved by the egg. The process that will be tested for the egg is osmosis, which is the diffusion of water across a selectively permeable membrane from an area of low solute concentration to an area of high solute
: A total of two different exercises were performed in the present experiment. A simulation of cells, using dialysis tubing, exposed to hypertonic, hypotonic, and isotonic environments, were setup in exercise one; and then observing the actual internal structure of wet mounts of plant cells, from Elodea, in isotonic, hypertonic, and hypotonic environments under microscopes in exercise two. The “cells” in the first experiment where tied ends of dialysis tubing, each containing 90% H2O / 10% NaCl solution
algal species, by testing various concentrations of sulphuric acid (H2SO4) in different samples of cyanobacteria and algae of equal volume. My hypothesis is that the lower the pH level of the water, the less the cyanobacteria and algae species will grow. Thus the higher quantities of sulphuric acid in the water will result in the lowest growth rate of the cyanobacteria and algae species. Various chemicals have been released into the air, changing the mixture of gases in our atmosphere, hence resulting
your body temperature and makes sure you maintain homeostasis. This is extremely important for showering because the hypothalamus makes sure that if the water is too hot or too cold for your internal organs, it will adjust to the temperature of the water. That way you will not harm yourself in the process of washing yourself. For example, if the water is too cold your body will begin to get goose bumps and cause you to shiver. This is the hypothalamus way to regulate your temperature to warm your body
The most recent flood occur in Kuching, Sarawak where heavy rainfall caused some areas around Kuching to be inundated by flood waters and most roads became congested as they were impassable to traffic. The heavy downpour was still continuing around Kuching and several stalled vehicles were left on the flooded roads. Several key places were flooded including the Sarawak General Hospital, Sarawak Contingent Police Headquarters at Jalan Badaruddin, Padungan fire and rescue station, Faculty of Medicine
While orbital forcing is the primary external driver of glacial cycles, carbon dioxide content in the atmosphere plays this important internal feedback role (Pittock, 2005). Evidence for environmental change in the Pleistocene epoch include constituents of gas bubbles trapped in ice cores. According to BAS Natural Environment Research Council (2015), Ice cores are cylinders of ice drilled
Process and tools Target Corporation uses tolls and process for product safety and quality assurance. The company assesses a program for risk –based product safety and quality at every stage in the product life cycle, from development through the life of brand product. Target global team implement a program across 36 countries and 2228 factories producing target product, during the process will require independent third-party testing to validate safety and quality before the guests purchase product
This laboratory experiment involving invertebrates is conducted to enable students to investigate Daphnia magna’s responses to external stimuli, therefore developing a better understanding and knowledge of homeostasis that occurs in organisms and the reaction and behavior exhibited by the daphnia magna when varying conditions are exposed to the organism compared to its natural environment conditions (Carter-Edwards et al, 2011). In order to understand the experiment, a foundation of information about