Safety Symbols These symbols warn of possible dangers in the laboratory and remind you to work carefully. Safety Goggles Wear safety goggles to protect your eyes in any activity involving chemicals‚ flames or heating‚ or glassware. Lab Apron Wear a laboratory apron to protect your skin and clothing from damage. Breakage Handle breakable materials‚ such as glassware‚ with care. Do not touch broken glassware. Fumes Work in a ventilated area when harmful vapors may be involved. Avoid inhaling vapors
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Year 12 Earth Assessment task 3 Soil compaction http://eusoils.jrc.ec.europa.eu/library/themes/compaction/- this diagram shows the layout of a compacted soil. As you can see the very top is compacted but the bottom has not been affected yet. www.eoearth.org – this diagram shows the critical depth for harmful soil compaction in a typical agricultural soil. (Source: Geological Survey of Lower Saxony) By Emily Pike Contents...... * Background information..................... *
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natural soda. More expensive versions would include oils or flowers. The soaps for bathing were mostly used by the wealthier class because they costed too much. Since there were no toothbrushes like there are now they would wipe their mouths with burnt rosemary and rinse with a mixture of vinegar and water. And to whiten teeth and get rid of plaque they would rub their teeth with powdered sage. (Knight‚ 2008) Nobody knew bathing more frequently could reduce illnesses and keep germs away‚ in fact they
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Sustainability in Boating is Easy Ways To Reduce Fresh Water Usage On Your Boat Having to carry any freshwater we need‚ makes boaters more conscious of fresh water usage. Below are some easy changes to stretch your water supply a little longer between fill ups. 1. Installing low flow faucet aerators and water saving showerheads can make you tank of fresh water last twice as long since low flow means 2.5 gallons per minute‚ where a traditional flow rate is 5.5 or more. These easy‚ cheap additions
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Materials: Safety goggles 100-ml beaker Ring stand Watch glass Small iron ring Balance Large iron ring with wire gauze Weighing dish Bunsen burner Drying oven or light Beaker tongs 10-ml graduated cylinder Filtering funnel Rinse bottle with deionized water Whatman #1 filter paper 1.8 to 2.2 grams CuSO45H2O 250-ml beaker *10 ml of 6.0 M NaOH solution * For 100 ml of a 6.0 Molar solution of NaOH‚ Using a 100-ml volumetric flask‚ dissolve
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Nicole Macchia March 14‚ 2013 Writing II sections 043 Professor Johnson Research paper draft #1 Oral manifestations caused by drug abuse “The mouth is the mirror of one’s body.” Depending how an individual may take care of their overall health will eventually reflect on how he/she takes care of their oral region; it does consist of the body as well. If an individual‚ works out‚ eats proper nutrition‚ gets enough sleep and has daily responsibilities‚ would you look at that person to be
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Dental hygiene also known as oral hygiene is the process by which preventative dental care is provided to avoid dental emergencies at the care of dental hygiene is the in-home dental care regimen you perform. Taking measures to keep your mouth clean is essential for excellent dental health .A daily oral hygiene regimen is needed to remove the plaque the causes tooth decay and gum disease. And good oral hygiene not only helps prevent cavities‚ but is necessary to bottle bad breath. After
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CARE SKIN TIP | | Facial cleanser Instead of soap clean face with one spoon milk‚ mixed with a pinch of turmeric. | | Lotion night nourishing Mix few drops of glycerin‚ olive oil & rosewater in one big spoon milk. Apply it regularly on face‚ neck & hands before sleeping at night. Wipe it with tissue paper‚ with light hands in morning. Bath with lukewarm water. | | Body lotion Apply glycerin‚ mixed with rosewater & limejuice on face‚ neck & hands every night. | |
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Method: 1. Set equipment diagram 2. Measure 30cm^3 water 3. Pour into polystyrene cup 4. Measure temperature 5. Weigh 1g Ammonium Nitrate 6. Put in cup 7. Hold and swirl beaker 8. Record min. temp. 9. Dispose solution separate beaker 10. Rinse cup 11. Repeat for 2g‚ 3g‚ 4g‚ 5g Equipment: Balance Ammonium Nitrate powder Distilled water Spatula Glass beaker 30cm^3 Measuring cylinder Weighing boat Thermometer 0C Polystyrene cup and lid with hole Risk Assessment: Irritant to skin
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Beverage Density Lab Sugar Content Analysis Introduction Have you ever been to the ocean? Does it seem that you can float or swim much easier in the ocean than in a swimming pool? Seawater is more dense than freshwater due to the presence of dissolved salt in the ocean. As a result‚ our buoyancy – ability to float – is greater in salt water than in plain water. What factors determine the density of a solution? Can the density of a solution be used to determine how much of a particular
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