Cara read an article on why repetition and replication are so important, but she did not 16. understand the difference between them. Which of the following best explains the two terms? Models can help answer some, but not all, scientific questions. Which scientific question 17. below would be best answered by using a model? A model can represent an object, system, or process. Why do all models have limitations? 18. Scientists began exploring the ideas that make up the current atomic theory more than 2,500 19. years ago. Since that time, many models of the atom that were once accepted by scientists have been abandoned and replaced. Why have atomic models changed over time?
16. Cara read an article on why repetition and replication are so important, but she did not understand the difference between them. Which of the following best explains the two terms? 17. Models can help answer some, but not all, scientific questions. Which scientific question below would be best answered by using a model? 18. A model can represent an object, system, or process. Why do all models have limitations? 19. Scientists began exploring the ideas that make up the current atomic theory more than 2,500 years ago. Since that time, many models of the atom that were once accepted by scientists have been abandoned and replaced. Why have atomic models changed over time?
8th_grade_final_exam.docx