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UNSW : UNSW Atmosphere Study Guide
Atmosphere Study Guide 17 Station: Making clouds [Task] What are clouds made of? How do you think they form? Carry out the following simulation to investigate how clouds are made. 1. Set up the Bunsen burner, tripod and gauze mat for heating. 2. Fill a beaker 1/3 full of water. 3. Place the beaker on the Bunsen burner. 4. Place the watch glass over the top of the beaker. 5. Cover the watch glass with ice. 6. Light the Bunsen burner and heat the water. 7. Observe what happens inside the beaker as the water heats up. 8. You should see water vapour swirling around the beaker like clouds. 9. What causes these clouds to appear? 10. Can you apply the knowledge you have gained from this station to explain the formation of clouds in nature? 11. Was this a good simulation for cloud formation? Why/why not? Station: Atmosphere summary [Task] Go to www.teachersdomain.org/asset/ess05_int_vertical and learn about the layer’s of Earth’s atmosphere. Then fill in the summary table below (or create one similar in your work book) about the layers of the atmosphere. Atmospheric layer Height Pressure pattern Temperature pattern Other information 1. 2. 3. 4. Station: Bernoulli’s principle [Task] Complete the following activity and answer the questions in your work book. 1. Place a fresh A5 piece of paper on the bench in front of you in the landscape position (with the short side facing you). 2. Holding the two corners closest to you between your thumb and first finger, pick the paper up and place the short edge on your bottom lip. Do not move the paper side to side in case you give yourself a paper cut. 3. Take a deep breath and blow as hard as you can across the top of the paper. 4. What happens to the other end of the paper? Does it move? If so, how? How does the end of the paper away from your lip seem to defy gravity every time you blow air across it? 5. Suggest how scientists might use this phenomenon to lift heavy objects off the ground. Station: How far up do they go? [Task] Your teacher will give you an A4 template of the Earth’s atmosphere as well as cut out images and words representing different animals and objects. Complete the following activities in order to determine how high in the atmosphere each animal/object can go. 1. Arrange the images/words on the A4 sheet of paper in the layers of the Earth’s atmosphere where you think they belong. 2. How many do you know from your prior knowledge, how many did you have to guess? 3. How did you decide where to place everything? 4. Check your order with your teacher before you move on. 5. How many did you get right? Were you surprised at how far up things could go? Explore (student activities)