Nemesis. Essay

894 WordsNov 15, 20114 Pages
Observing Changes – Materials & Procedures Materials Water Copper (II) sulphate (Powder) Copper (II) sulphate solution Iron nail Sodium carbonate Hydrochloric acid Magnesium ribbon Flame (candle) Sugar Aluminum foil Test tubes Test tube rack Tongs Medicine dropper Spoons Beakers Safety goggles Scoopulas Procedures Water and Copper (II) Sulphate Procedure 1. Add a small amount of solid copper (II) sulphate to a test tube with a scoopula. Record the physical properties. 2. Write a hypothesis on what you think will happen when water is added. 3. Fill the test tube with two thirds of water and record the results. Copper (II) Sulphate Solution and Iron Nail 1. Record physical properties of the copper (II) sulphate solution and iron nail. 2. Write a hypothesis on what you think will happen when they are mixed. 3. Place the iron nail in the test tube with the copper (II) sulphate soluition in it and record. Copper (II) Sulphate Solution and Sodium Carbonate 1. Add 5 mL of copper (II) sulphate solution to a test tube. Add 5 mL of sodium carbonate in another test tube. Record the appearance. 2. Write a hypothesis on what you think will happen when mixed. 3. Combine the substances; record observations. Hydrochloric Acid and Magnesium 1. Add hydrochloric acid to a test tube. Cut a piece of magnesium ribbon (couple of centimeters). Record the physical properties of both substances. 2. Write a hypothesis on what you think will happen when mixed. 3. Place the magnesium ribbon ni the hydrochloric acid; record observations. Sugar and Heat 1. Add a bit of sugar to aluminum foil and fold the edges so it is covered from the sides. Record the physical properties of sugar. 2. Write a hypothesis on what you think will happen when heat is added. 3. Light a candle that is secured in a candle holder. Use tongs to hold the aluminum with sugar in
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