Information to address each item can be found in the given chapters, but answers should be written in your own words. Chapter 1 Compare and contrast a scientific hypothesis and a scientific law. What is pseudoscience and how can you always recognize it? Are there any ways in which scientific methods differ from commonsense methods of reasoning? Chapter 2 Is it possible for a small car to have the same momentum as a large truck? Explain. What are the significant similarities and differences between speed and velocity? What are the significant similarities and differences between velocity and acceleration? Chapter 3 What happens to the kinetic energy of a falling book when the book hits the floor? Evaluate the requirement that something must move whenever work is done. Why is this a requirement? What are the significant similarities and differences between work and power? Chapter 4 Explain why most materials become less dense as their temperature is increased. Why is air a good insulator? What are the significant similarities and differences between heat and temperature