Posted: January 19th, 2016
Explore the interactive titled “Lift and Drag” under the Lift and Drag terms section of the Science corner
- Watch the video titled “The Scientific Method” (3 min 15 sec) under the Scientific Method terms section of the Science Corner. You can also view the video athttp://www.ket.org/education/video/kgedu/kgedu_000005.htm. Next, describe each step of the scientific method. Assess the importance of the role of reproducibility, collaboration, and peer review as part of scientific inquiry.
- Watch the video titled “GlobalTrek: Inca Road” (4 min 2 sec) under the scientific inquiry section of the Science Corner. You can also view the video at http://science360.gov/obj/video/ef05ee9f-2c21-4ef2-8b4d-fa8cbda76670/globaltrek-inca-road. Next, describe the main challenges that scientists face in collecting data and making observations on how the road was made. Then, explain the strategy that researchers are developing to overcome these challenges. Describe the manner in which scientists can use this research for future construction in mountainous regions.
- Pseudoscience is defined in your book on page 6. Read this section and then give an example of a pseudoscience and explain why it doesn’t qualify as scientific. Next, choose an example that hasn’t already been mentioned in your textbook or by your classmates.
Week 2 Discussion 
“Aerodynamic Forces and Energy” Please respond to the following:
- Explore the interactive titled “Lift and Drag” under the Lift and Drag terms section of the Science corner. You can also view it at http://www.pbs.org/wgbh/nova/space/lift-drag.html. Next, describe the way in which one could use both Newton’s Third Law of Motion and the Bernoulli Effect to explain the generation of a lifting force when air passes over an airfoil.
- Read the article titled “Why don’t I fall out when a roller coaster goes upside down?” under the Forces terms section of the Science corner. You can also view it athttp://www.loc.gov/rr/scitech/mysteries/rollercoaster.html. Next, imagine that you are trying to convince your apprehensive friend John to take his first roller-coaster ride. Then, explain to John the manner in which the roller-coaster engineers use physics to create a safe, yet thrilling ride. Note: In your explanation, be sure to include a discussion of potential energy, kinetic energy, angular momentum, frictional forces, and inertia when analyzing all aspects of the roller-coaster ride.
- Give an example of how you experience each of Newton’s three laws in your everyday life. Next, choose an example that hasn’t already been mentioned in your textbook or by your classmates.
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