Assignment:
Part 1
Instructions: Read the questions and use them to write your answers as you read or watch the instructional media (reading, video, radio podcast, computer simulation, etc.). Type the number of the question and your answer (do not re-copy the original question) and send the completed report to Blackboard's SafeAssign. For all questions, answer in your own words (paraphrase). Answers that are directly copied from any internet source, including the instructional media studied, will receive no credit.
Law of Falling Bodies
1. State the "law of falling bodies."
2. According to the professor, why is the law of falling bodies so difficult to understand?
3. To make sense of the law of falling bodies, what must be discarded from the analysis?
4. Describe what happens when the penny and the feather fall inside the tube, but still with air resistance.
4. Describe what happens when the penny and the feather fall inside the tube after the air is removed.
5. An astronaut drops a hammer and a falcon feather on the Moon's surface. What object hits the ground first? Why?
6. Throughout history, what erroneous notion have people incorrectly believed?
7. According to common experience, what increases as an object falls?
8. What was Leonardo da Vinci's theory of falling bodies?
9. Explain how Galileo improved on Leonardo da Vinci's theory of falling bodies.
10. According to Galileo, what is proportional to the distance an object falls?
11. What remains constant as an object falls on Earth?
Part 2
Review the Cosmic voyage video
1. What scale do people normally use to determine what is small or large?
2. Who demonstrated a revolutionary invention in 1609? What was the invention?
3. After stepping back four powers of ten (4 steps or 10,000 m), what can you observe?
4. After stepping back thirteen powers of ten (13 steps or 10,000,000,000,000 m), what can you observe?
5. What is located at 15 billion light-years away from Earth?
6. What are some of the first applications of the microscope?
7. Where is almost all the mass of an atom concentrated?
8. Why was Fermilab in Chicago designed for?
9. Explain the scientific theory of the origin of the universe.
10. When was our galaxy, the Milky Way, formed?
11. At the beginning of Earth's history, what produced the oxygen we currently breathe?
12. What are black holes?