(1) plastic cup (9oz) 3. (1) aluminum screen (4”x4”) 4. Distilled water 5. Centimeter ruler 6. Saturated salt solution 7. Paper towels 8. Triple beam balance 9. Permanent marker Procedure 1. Obtain one plastic cup and gummi bear. 2. On the side of the cup‚ write your name and class period using a permanent marker. 3. Measure your bear (in cm) from top to bottom (length)‚ from side to side (width)‚ and from front to back (height). Use your measurements to calculate the approximate volume
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Materials/Equipment: • Plastic syringes with Luer-Lock‚ 30 mL • Space Sand • Scissors. • Cotton rounds • Clear plastic cups or drinking glasses • Permanent marker & Safety goggles. • Isopropyl alcohol • Distilled water • Grape soda • Lab notebook. Procedures: 1. In the lab notebook‚ you would have to make data tables like Table 1 and Table 2. You would have to put down data 2. Get out three plastic cups or drinking glasses. Pour some 70% isopropyl alcohol into one‚ distilled water into another
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Introduction: Antimicrobial agents are chemicals that are used against bacteria. There are many such agents available. Because there are many different situations where bacterial control is important‚ no antimicrobial agent is effective in all situations. For example‚ you wouldn’t use the same compound to fight an ear infection as you would use to sterilize surfaces in an Operating room. The situations are completely different. In one case‚ you are trying to assist the body to fight off an internal
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most basic rule is whether to use the left or right side of the road. Traffic regulations In many countries‚ the rules of the road are codified‚ setting out the legal requirements and punishments for breaking them. Traffic control devices are markers‚ signs and signal devices used to inform‚ guide and control traffic‚ including pedestrians‚ motor vehicle drivers and bicyclists. These devices are usually placed adjacent‚ over or along the highways‚ roads‚ traffic facilities and other public areas
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without the need for solder or permanent etches. For help with breadboards‚ please visit: [http://www.iguanalabs.com/breadboard.htm Iguana Labs] #Make sure the circuit functions on the breadboard‚ or in the simulation software. === Drawing === #Acquire a circuit board. Circuit boards are about a dollar apiece‚ and are simply a layer of copper over an insulator. The typical size is usually 3.5 inches by 5 inches. Drawing is simple; all that is required is an indelible marker‚ such as a Sharpie. A ruler
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hundred years (Woo‚ 2006). Along with the many benefits of amniocentesis‚ there are still many risks Involved with the procedure. The mother has to decide between knowing with certainty of her unborn child’s diagnosis versus the risk of permanent damage or even the death of her fetus. Amniocentesis negatively affects both the mother and the fetus. Amniocentesis is a prenatal test that allows parents to gather information about [their] baby’s health and development. Amniocentesis
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contaminated when there is more negative bacteria than positive bacteria. This will prove or disapprove on how to examine bacteria‚ and how to determine if a substance is contaminated. Materials: Yogurt Test Tube 95% Alcohol Dropper Permanent Marker Bunsen Burner Microscope Glass Slide Pipette Inoculation Loop Test Tube Safranin
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three cm by nine cm. You will need two of these strips. 2. Draw a line one cm (1/2 inch) from the edge of one end of one strip of paper. 3. Make four pencil dots along this line 0.5 cm apart. Underneath each dot‚ label the marker that will be tested. Use the markers to draw a different colored dot on each of the pencil marks on the paper strip. Allow the ink to dry‚ and then add more color to each dot. make a prediction of the pigment components you expect to see from
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the peaches • A kitchen weighing scale • Two clear‚ plastic containers of equal size • An exam pad • A pen • Captured fruit flies • Permanent marker Method: • During mid-February‚ when daily temperatures are highest‚ divide 750g of peaches into two containers respectively (6 peaches per container)‚ using your kitchen scale. • Label container A and B using a permanent
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“starting line” in step two because a pen or marker while be used to place a small dot of ink in the center of the X that is made with a pencil. 2. Capillary action is filling of pores in a solid with a liquid. Capillary action is caused by spotting or absorption and is allowed to seep or flow through. 3. The type of pen that will probably give better separation in this paper chromatography experiment with water as solvent is the permanent marker because it will show up clearer. 4. The
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