What's More BC HOW MANY DROPS? Activity 1 Objectives: 1. Predict and compare results in an activity, 2. Identify experimental factors or variables. Materials: 1 plece twenty-five centavo coin, 1 piece one peso coin, Water 1 piece five-peso coin, Medicine dropper or small stick Procedure: 1. Using the materials, perform the acitivity and write your answers on a separate sheet of paper, Table On The Number of Water Drops a Coin Can Hold Number of Water Drops Type of Coin Prediction Actual 25-centavo coin 1.00-peso coin 5.00-peso coin 2. Predict how many drops of water each type of coin can hold and write your predictions on the table. 3. Choose one type of coin. You may use a medicine dropper or a small stick and actually drop water on the chosen coin 4. Count accurately the actual number of droplets on the coin. Note: Do not count the droplets which caused the mound (small rounded mass ) to break. 5. Record your actual result on the table and on your answer sheet. 6. Answer the questions below using the data you gathered during the investigation Guide Questions: a. Give at least three causes for the differences in your predictions, b. Compare your actual result with your prediction. Are they the same? c. Give at least 5 reasons or factors why there are differences in the number of water drops in each type of coin. d. What do you call the factors you identify which caused the differences in the number of water droplets in the coin? 7. Choose only one variable from your answers in Question C and PROVE that is really the variable which caused the differences in the number of water droplets on the coin. 8. Write your chosen factor or variable on your answer sheet. YOU WILL NEED THIS CHOSEN VARIABLE IN YOUR ACTIVITY 2.​