LESSON 1. Students pair up to use what they have learned to create a flowchart showing the steps we followed in one of our last experiments (slide 3 of the Exploring Scientific … Upon completion of page 1, students check their work using Scientific Method Notes Answer Key or Alternate Scientific Method Notes. Write 1,000,000,000,000 in scientific … 2. a 7. b. Concept Review (page 98) 1… The purpose is to explain terminology, and introduce concepts, which are explained more completely in later chapters. •What is the difference between distance and displacement? Date Class LESSON 1 1. Understanding Science. The Scientific Method LA 2. I can answer the following questions: •How does the description of an object’s position depend on a reference point? Write the steps for writing a number using scientific notation. •A reference point, a reference direction, and distance are needed to describe the position of an object. Key Concept Builder Sexual Reproduction and Meiosis Key Concept Why is meiosis important? 3. b 8. a. As of 2015, McGraw-Hill Education is one of the largest English-language education publishers worldwide. (a) (b) 2. Directions: Answer each question on the lines provided. 2. Chapter Review. 1. Key Terms (page 96) 1. b 6. b. What steps might a scientist take when he or she tests a hypothesis? 4. a 9. b. Directions: Answer each question or respond to each statement on the lines provided. A sample would be:“Searching the Internet for information for a history project is a way of using infor-mation technology.” A learning science firm, the company offers access to prekindergarten through postgraduate educational services to both students and educators. What steps might a scientist take when he or she asks questions? Answer key results typically display for each chapter of the text. •How can you describe the position of an object in two dimensions? Key Concept What is scientific inquiry? Students write a sentence explaining how they use information technology. Key Concept Why is scientific notation a useful tool for scientists? Measurement and Scientific Tools. LESSON 2. Much of the content has been based on explanations and examples given by Wilson (1). 3. Part A. If a male organism has 40 chromosomes in each body cell, how many chromosomes does a female of the same species have in each body cell? ANSWER KEY 2 Answer Key 2. cell phones and computers (p. 17) After You Read (p. 18) 1. Directions: Answer each question in the space provided. Vocabulary Review (page 97) 1. l (3/1) 2. d (7/2) 3. o (3/1) 4. i (12/3) 5. c (9/3) 6. b (5/2) 7. j (11/3) 8. n (3/1) 9. e (7/2) 10. g (9/3) 11. k (7/2) 12. m (3/1) 13. h (1/1) 14. f (7/2) 15. a (9/3) Part B. Question Answer 1. PRINCIPLES OF SCIENTIFIC INQUIRY Introduction This chapter provides a summary of the principles of scientific inquiry. 5. b 10. a.