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Experimental Design: Analyzing Data and Stating Hypotheses

Learn how to design and conduct experiments by analyzing data, stating hypotheses, and listing procedures. Understand the importance of control variables and independent variables in experimental design.

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Experimental Design: Analyzing Data and Stating Hypotheses

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  1. When designing an experiment, the first step is to ____. a. analyze the data b. list a procedure c. state a hypothesis d. state the problem

  2. When designing an experiment, the first step is to ____. • analyze the data • b. list a procedure • c. state a hypothesis • d. state the problem

  3. A standard for comparison that helps to ensure that the experimental result is caused by the condition being tested is the ____. a. Constant b. Control c. dependent variable d. hypothesis

  4. A standard for comparison that helps to ensure that the experimental result is caused by the condition being tested is the ____. • a. Constant • b. Control • c. dependent variable • d. hypothesis

  5. A factor in an experiment that changes from the manipulation of the independent variable is the ____. a.Constant b.Control c.dependent variable d.hypothesis

  6. A factor in an experiment that changes from the manipulation of the independent variable is the ____. a.Constant b.Control c.dependent variable d.hypothesis

  7. A factor that does NOT change in an experiment is the ____. a.Constant b.Control c.dependent variable d.hypothesis

  8. A factor that does NOT change in an experiment is the ____. a.Constant b.Control c.dependent variable d.hypothesis

  9. Studying the effect of one thing on another in order to test a hypothesis is a(n) ____. a.Exercise b.Experiment c.Constant d.Problem

  10. Studying the effect of one thing on another in order to test a hypothesis is a(n) ____. a.Exercise b.Experiment c.Constant d.Problem

  11. A factor that is manipulated in an experiment to change the dependent variable is the ____. a.Constant b.dependent variable c.Control d.independent variable

  12. A factor that is manipulated in an experiment to change the dependent variable is the ____. a.Constant b.dependent variable c.Control d.independent variable

  13. How many meters are there in 1,865 cm? a.0.1865 b.1.865 c.18.65 d.186.5

  14. How many meters are there in 1,865 cm? a.0.1865 b.1.865 c.18.65 d.186.5

  15. A beaker contains 0.32 L of water. What is the volume of this water in milliliters? a.320 mL b.3.2 mL c.32 mL d.0.32 mL

  16. A beaker contains 0.32 L of water. What is the volume of this water in milliliters? a.320 mL b.3.2 mL c.32 mL d.0.32 mL

  17. Physics is the most basic science because a. the foundation of biology is chemistry and the foundation of chemistry is physics. b. it is about the nature of basic things like forces, energy, and motion. c. the ideas of physics extend into more complex sciences. d. you can better understand science in general if you understand physics. e. all of the above

  18. Physics is the most basic science because a. the foundation of biology is chemistry and the foundation of chemistry is physics. b. it is about the nature of basic things like forces, energy, and motion. c. the ideas of physics extend into more complex sciences. d. you can better understand science in general if you understand physics. e. all of the above

  19. Which of the following is a reason to express scientific findings mathematically? a. The findings become more difficult to prove by experiment. b. The findings become easier to verify by experiment. c. The findings become more confusing. d. The findings become less appealing to the public.

  20. Which of the following is a reason to express scientific findings mathematically? a. The findings become more difficult to prove by experiment. b. The findings become easier to verify by experiment. c. The findings become more confusing. d. The findings become less appealing to the public.

  21. A hypothesis is a. the long side of a right triangle. b. an educated guess that has yet to be proven by experiment. c. close agreement by competent observers of observations of the same phenomena. d. a guess that has been tested over and over again and always found to be true. e. a synthesis of a large collection of information that includes guesses.

  22. A hypothesis is a. the long side of a right triangle. b. an educated guess that has yet to be proven by experiment. c. close agreement by competent observers of observations of the same phenomena. d. a guess that has been tested over and over again and always found to be true. e. a synthesis of a large collection of information that includes guesses.

  23. A scientific fact is a. something you believe is true because you have been taught it. b. a guess that has been tested over and over again and always found to be true. c. close agreement by competent observers of observations of the same phenomena. d. an educated guess that has yet to be proven by experiment. e. a synthesis of a collection of data that includes well-tested guesses.

  24. A scientific fact is a. something you believe is true because you have been taught it. b. a guess that has been tested over and over again and always found to be true. c. close agreement by competent observers of observations of the same phenomena. d. an educated guess that has yet to be proven by experiment. e. a synthesis of a collection of data that includes well-tested guesses.

  25. A theory is a. an educated guess that has yet to be proven by experiment. b. a synthesis of a large collection of information including well-tested guesses. c. close agreement by competent observers of observations of the same phenomena. d. a guess that has been tested over and over again and always found to be true. e. a science story about atoms and molecules.

  26. A theory is a. an educated guess that has yet to be proven by experiment. b. a synthesis of a large collection of information including well-tested guesses. c. close agreement by competent observers of observations of the same phenomena. d. a guess that has been tested over and over again and always found to be true. e. a science story about atoms and molecules.

  27. The difference between a hypothesis and a theory is that a hypothesis is a. never true whereas a theory is always true. b. true whereas a theory is not true. c. an isolated fact whereas a theory is a huge collections of facts. d. never true whereas a theory is sometimes true. e. an educated guess whereas a theory has been tested successfully many times in many ways.

  28. The difference between a hypothesis and a theory is that a hypothesis is a. never true whereas a theory is always true. b. true whereas a theory is not true. c. an isolated fact whereas a theory is a huge collections of facts. d. never true whereas a theory is sometimes true. e. an educated guess whereas a theory has been tested successfully many times in many ways.

  29. Which of these is a scientific hypothesis? a. Atoms are the smallest particles of matter that exist. b. Albert Einstein is the greatest physicist of the twentieth century. c. The universe is surrounded by a second universe, which cannot be seen.

  30. Which of these is a scientific hypothesis? a. Atoms are the smallest particles of matter that exist. b. Albert Einstein is the greatest physicist of the twentieth century. c. The universe is surrounded by a second universe, which cannot be seen.

  31. A scientific hypothesis may turn out to be right or it may turn out to be wrong. If it is a valid hypothesis, there must be a test for proving that it is a. right. b. wrong.

  32. A scientific hypothesis may turn out to be right or it may turn out to be wrong. If it is a valid hypothesis, there must be a test for proving that it is a. right. b. wrong.

  33. A 15-N force and a 45-N force act on an object in opposite directions. What is the net force on the object? a. 15 N b. 30 N c. 45 N d. 60 N e. none of the above

  34. A 15-N force and a 45-N force act on an object in opposite directions. What is the net force on the object? a. 15 N b. 30 N c. 45 N d. 60 N e. none of the above

  35. What is the maximum resultant possible when adding a 2-N force to an 8-N force? a. 2 N b. 6 N c. 8 N d. 10 N e. 16 N

  36. What is the maximum resultant possible when adding a 2-N force to an 8-N force? a. 2 N b. 6 N c. 8 N d. 10 N e. 16 N

  37. A 5-N force and a 30-N force act in the same direction on an object. What is the net force on the object? a. 5 N b. 25 N c. 30 N d. 35 N e. none of the above

  38. A 5-N force and a 30-N force act in the same direction on an object. What is the net force on the object? a. 5 N b. 25 N c. 30 N d. 35 N e. none of the above

  39. A girl whose weight is 500 N hangs from the middle of a bar supported by two vertical strands of rope. What is the tension in each strand? a. 0 N. b. 250 N. c. 500 N. d. 750 N. e. 1000 N.

  40. A girl whose weight is 500 N hangs from the middle of a bar supported by two vertical strands of rope. What is the tension in each strand? a. 0 N. b. 250 N. c. 500 N. d. 750 N. e. 1000 N.

  41. What is needed to describe a vector quantity? a. only magnitude b. only direction c. both magnitude and direction d. neither magnitude nor direction

  42. What is needed to describe a vector quantity? a. only magnitude b. only direction c. both magnitude and direction d. neither magnitude nor direction

  43. A scalar quantity has a. only direction. b. only magnitude. c. both magnitude and direction. d. neither magnitude nor direction.

  44. A scalar quantity has a. only direction. b. only magnitude. c. both magnitude and direction. d. neither magnitude nor direction.

  45. According to the graph, which object took the longest to fall? A. Book B. Paper C. Shoe D. Tissue

  46. According to the graph, which object took the longest to fall? A. Book B. Paper C. Shoe D. Tissue

  47. Suppose a painter weight 600 N stands in the middle of a board suspended by two vertical ropes with each scale reading 400 N. What is the weight of the board? A. 200 N B. 300 N C. 100 N D. 150 N E. the board is weightless.

  48. Suppose a painter weight 600 N stands in the middle of a board suspended by two vertical ropes with each scale reading 400 N. What is the weight of the board? A. 200 N B. 300 N C. 100 N D. 150 N E. the board is weightless.

  49. A possible hypothesis based on the information on this table is _______. A. average life span is proportional to heart rate B. farm animals live longer than pets C. larger animals have faster heart rates D. heart rate is not related to lifespan

  50. A possible hypothesis based on the information on this table is _______. A. average life span is proportional to heart rate B. farm animals live longer than pets C. larger animals have faster heart rates D. heart rate is not related to lifespan

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