Ch 1 Study Guide

Ch 1 study guide 1. The _______ unit of mass is the kilogram. 2. A measurement must include both a number and a(an) ____________________. 3. An experiment in which only one variable, the manipulated variable, is changed at a time is called a(an) ____ 4. An organized plan for gathering, organizing, and communicating information is called a(an) ________. 5. A(An) ______ is a way of organizing data that is used to show changes that occur in related variables. 6. The two main areas of physical science are physics and ____________________. 7. Natural science is divided into life science, Earth and space science, and _________________________. 8. The _________________________ is the variable that changes in response to the manipulated variable. 9. A(An) ____________________ is a statement that summarizes a pattern found in nature. 10. A(An) _________________________ explains a pattern found in nature. 11. What conversion factor would you use to convert 27 km to m and how many meters is it? 12. In scientific notation, (8.5 × 105 m) × (1.7 × 106 m) equals ____________________. 13. In an experiment, 0.019 seconds equals ____________________ milliseconds. 14. ____________________ is the closeness of a measurement to the actual value being measured. 15. A temperature of 28ºF is equal to ____________________ kelvins. 16. In an experiment, if doubling the manipulated variable results in a doubling of the responding variable, the relationship between the variables is a(an) _________________________. 17. The three values—10.914 m, 12.635 m, and 21.646 m—have the same number of ____________________. 18. What is the single most important laboratory safety rule? 19. Why do scientists speak at conferences and write articles in scientific journals? 20. What is a peer review? 21. What are the major branches of natural science? 22. What is a hypothesis? 23. What step in scientific method is information obtained through your senses.? 24. Why do scientists use models? 25. How many significant figures will the answer to the calculation 65.25 × 37.4 have? 26. What is the temperature at which water freezes, expressed in Fahrenheit, Celsius, and kelvins? 27. Explain how technology and science are related. 28. What is the relationship between two variables if the product of the variables is constant? Essay

Figure 1-1 29. there will be questions related to this graph. 30. What is the difference between a scientific law and a scientific theory? 31. Describe some of the main ideas of physical science. 32. Describe a possible order of steps of a scientific method used in an investigation.

Figure 1-2 33. There will be several questions related to these two graphs

Figure 1-3 34. Using Tables and Graphs What measurements are compared in Figure 1-3?