words‚ list the 5 characteristics an Earth material must have in order to be considered a mineral. a. ______________________________ b. ______________________________ c. ______________________________ d. ______________________________ e. ______________________________ 2. Check the appropriate boxes to show which of the following items are minerals or not minerals. If not a mineral‚ explain why it is not. MINERAL? YES NO EXPLANATIONS Rain water Quartz Coal Silver Wood Synthetic diamonds
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Olivia Spears Mrs. Wisniew Biology‚ Red 3 1 April 2014 What Kills Germs? Lab Report I. What Kills Germs: II. Statement of the Problem: A. What antibacterial substance disinfects an object the best? B. Background information about Bacteria is that they are fast growing organisms that need to be contained. C. Independent Variables: antibacterial soap‚ household bleach‚ household disinfectant‚ penicillin‚ amoxicillin‚ erythromycin D. Dependent Variables: Hemophilus influenzae‚ Straphylococcus
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Unit 01 – Child and young person development (2:1) Give Examples of how the different aspects of development can affect each other. There is a strong connection between Physical‚ Intellectual and Social development. All developmental areas have their own unique traits and specific characteristics. However‚ they are all dependent upon and can impact each other. This can have detrimental effect on an individual’s development. Growth and development of the brain (physical development) leads to changes
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NS 10.5 (pg 1 of 2) Heating and Cooling Curves What happens when we heat a sample of ice that is initially at -15°C? The addition of heat causes the temperature of the ice to increase. As long as the temperature is below 0°C‚ the sample remains frozen. When the temperature reaches 0°C (the melting point of water)‚ the ice begins to melt. Because melting is an endothermic process‚ the heat we add at 0°C is used to convert ice to water and the temperature remains constant until all the ice
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in your textbook (Chemistry: The Central Science‚ 9th Ed. ‚ Brown‚ LeMay‚ Bursten‚ & Burdge) This experiment will introduce you to a very important concept in science‚ especially chemistry: DENSITY. Density is the relationship between the mass of an object and the volume which it occupies. Solid substances generally have the greatest density‚ normally in the range of 1 - 25 g/cm3. Most liquids have densities between 0.5 - 5 g/mL‚ while the density of most gases under normal conditions of pressure
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What organic molecule can be detected with Lugol’s? By using the Lugol’s iodine test‚ we can detect the presence of starches. Why put Lugol’s in the beaker and not the bag? When we put the Lugol’s regent (I2Kl) in the beaker‚ we can observe the effects of osmosis as the Lugol’s regent (I2Kl) solution on the outside of the beaker permeates the intestine (Dialysis tubing) inducing a chemical reaction that will turn the liquid in the intestine (Dialysis tubing) blue-black. If the amylase successfully
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advantages. Job opportunities were everywhere. For married women‚ the task wasn’t quite so simple‚ especially if they had children. However‚ they learned to manage‚ they were determined to defend their country in whatever way they could and serve they did. Hundreds of Canadian women worked in machine shops‚ welding shops and manufacturing plants‚ making the equipment that was necessary to fight a war like bombs and weapons for the men and women in the Armed Services. Not only were they expected to work
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Name: student number: Experiment 2 Analgesic action of morphine (The method of hot plate) Aim: To observe the analgesic effect of morphine. Discussion: Stimulate the position of animal by temperature to produce pain reaction. Put the mouse on the metal plate which has heat up to 55oC. The pain reaction is identified as to lick the
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Sailing had always been a spectator sport for women‚ so when a woman attempted to become a member of the New York Yacht Club‚ it created a large debate over what to do. Lucy Carnegie challenged the male supremacy‚ which held strong in the sport‚ and petitioned to be the first female member of the club. After forming a committee to review her petition‚ in 1894 she was admitted as a “Flag Officer”‚ meaning she
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LAB 5: Coliform bacteria in surface waters I. Introduction Many organisms‚ including humans‚ have symbiotic bacteria in their guts that aid digestion. Symbiosis is an intimate relationship between different organisms in which both the host organism‚ e.g. the human‚ and the symbiote‚ e.g. bacteria‚ benefit from each other. In this case‚ the bacterium gets a favorable environment and food source in the intestines of a human. In return‚ these bacteria improve the digestibility of food through
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