1. Put your safety goggles and lab coat on. 2. Gather all the necessary materials in order to conduct this experiment such as boiled water‚ distilled water‚ calcium chloride‚ distilled water‚ glycerin‚ test tubes‚ nails‚ test tube rack‚ graduated cylinders‚ tongs‚ scoopula‚ erasable marker and parafilm. 3. With the erasable marker‚ label the ten test tubes from 1 to 10. 4. For Test Tube 1‚ drop an iron nail in it without adding anything else. Place the test tube into the to-be-heated rack (50⁰F)
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of Morris water maze is as follows. 1. Preparation 1) A circular pool with a diameter of 150cm and a depth of 50cm. Use a white pool for black mice and black pool for white mice. The interior surface of the pool contains high contrast spatial cues‚ and they are above the water surface. 2) The test room are separated so that the animal being tested cannot see the observer during the test. 3) Put a 10cm diameter white platform in the white pool. Fill the pool with room temperature water until the platform
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I’m submerged; submerged under the frigid water. I scan my surroundings and find an abundance of nothing. I’m stunned by the scene. The water‚ vividly clear blue‚ was motionless and breathe taking; but not a fish‚ plant or rock in site. ’How did I get here?’ I thought. Panic erupts and rises inside of me. My body acts on its owns out of fear. Immediately‚ I began swimming in hopes to escape this agony. I don’t recall how I ended up here. Actually‚ I don’t recall anything at all‚ but my name. Keith
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3. Volume of the test tube. 9.032 4. Mass of the empty test tube. 10.35g 5. Mass of the filled test tube. 29.89g 6. Mass of liquid in test tube. 19.54 7. Temperature of the water. 22ºc Part B Aluminum Sinker 1. Mass of object. 6.87g 49.44g 2. Volume of the water in the graduated Cylinder after the addition of the object. 17.5mL 19mL 3. Volume of the object due to displacement 2.5mL 4mL 4. Density of object. 2.748 12.36 5. Calculated
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com/kids/stories/spacescience/water-bottle-pollution/ Tap vs. Bottled Water Bottle water versus tap water‚ which is better for our health; is a question most people find themselves conflicted on which to choose. We have a fascination with bottled water. Somehow‚ somewhere‚ someone decided the tap water was not good enough for us‚ and along came the obsession that water in a bottle was better for us. Most of us would agree that the argument for drinking bottled water is basically the taste and there
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The Bottled Water Bandwagon Being uninformed is a crime someone should never commit to our planet. Many people run through their daily routine without putting much thought into how their decisions are affecting our planet. Something as simple as drinking bottled water can cause families to lose their water supply‚ and environmental turmoil. When will people recognize the damage they’re doing to their environment‚ and when will the damage outweigh the convenience of bottled water? Yes‚ bottled
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Water is good for your Health How many of you‚ when go to a restaurant and the waiter/waitress asks do you want something to drink. How many of you would prefer a glass of water out a fridge filled with soda‚ fruit juices‚ or beer? My guess is that probably no all of you prefer to drink water. I would choose water over the other options. I was not used to drinking water‚ but after I heard of the benefits that water has‚ I started to drink more water. For example when I’m thirsty instead of taking
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Water Pollution SCI/275 Artina Houston September 27‚ 2010 Aimee Pellet Water pollution is when a body of water is adversely affected due to the addition of large amounts of materials to the water. (www.imbgnet.net) There are four types of water pollutions and I’m going to describe each one of them. I’m also going to tell you the solutions that I can up with and how I’m going to get the government and people involved to help. It is a lot of things that we don’t know about water pollution
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April 2013 Water Pollution: Pollutants & Solutions Imagine swimming out of a narrow cavern following a scrumptious meal‚ and you come to realize it was poisonous. You begin to drown as your life slowly fades right before your very eyes; this is not a frightening hallucination. Everyday‚ schools of fish are unaware that their meals are products of millions of tiny pieces of garbage‚ assimilated. This is one of the many consequences of water pollution‚ which is the contamination of water bodies
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substance is a mixture or pure. • Types of mixtures: uniform and non-uniform mixtures. • Provide definitions for the following terms: i. Solutions i.e. alloys as solid solutions and air as gaseous solution. ii. Solvent i.e. water as a universal solvent‚ ethanol‚ etc. iii. Solute. iv. Filtrate. v. Residue. vi. Immiscible and miscible liquids. vii. Distillate. viii. Sublimation i.e. examples of substances that sublime – iodine‚ ammonium
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