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  1. Chapters 1-4 Review By April Senger FOS

  2. What do we call an educated guess? • Fact • Law • Theory • Hypothesis

  3. What do we call an educated guess? • Fact • Law • Theory • Hypothesis

  4. What are the variables called that you try to make sure stay constant throughout an experiment? • Alphabetic letters • Dependent • Independent • Controlled or constant

  5. What are the variables called that you try to make sure stay constant throughout an experiment? • Alphabetic letters • Dependent • Independent • Controlled or constant

  6. What is a large collection of information that is well tested and verified? It is an explanation of an event. • Hypothesis • Fact • Theory • Law

  7. What is a large collection of information that is well tested and verified? It is an explanation of an event. • Hypothesis • Fact • Theory • Law

  8. When writing up a lab report, your errors should be listed in or after what part? • Question • Conclusion • Experiment • Hypothesis

  9. When writing up a lab report, your errors should be listed in or after what part? • Question • Conclusion • Experiment • Hypothesis

  10. What portion of the lab write up is the following an example of? The string is cotton and cotton stretches. The bar is 40 cm tall. The mass can be changed by 2.73 grams. • Errors • Observations • Conclusion • Question

  11. What portion of the lab write up is the following an example of? The string is cotton and cotton stretches. The bar is 40 cm tall. The mass can be changed by 2.73 grams. • Errors • Observations • Conclusion • Question

  12. What is an orderly method for gaining, organizing, and applying new knowledge? • Theory • Scientific method • Law • Fact

  13. What is an orderly method for gaining, organizing, and applying new knowledge? • Theory • Scientific method • Law • Fact

  14. What is a general hypothesis or statement that has been tested repeatedly and not contradicted? Sometimes it is called a principle. • Law • Technology • Theory • Fact

  15. What is a general hypothesis or statement that has been tested repeatedly and not contradicted? Sometimes it is called a principle. • Law • Technology • Theory • Fact

  16. The study of forces and their motion called? • Chemistry • Astronomy • Biology • Physics

  17. The study of forces and their motion called? • Chemistry • Astronomy • Biology • Physics

  18. What is a measure of space? • Mass • Weight • Volume • None of these

  19. What is a measure of space? • Mass • Weight • Volume • None of these

  20. A sheet of paper can be withdrawn from under a carton of milk without it falling over. What does this demonstrate? • The paper isn’t touching the milk • The milk has inertia • Gravity holds the milk secure • The milk has no acceleration

  21. A sheet of paper can be withdrawn from under a carton of milk without it falling over. What does this demonstrate? • The paper isn’t touching the milk • The milk has inertia • Gravity holds the milk secure • The milk has no acceleration

  22. A truck is moving at a constant velocity. Inside the storage compartment, a rock is dropped from the midpoint of the ceiling and strikes the floor below. Where does the rock it the floor? • Ahead of the dropping point • Behind the dropping point • Exactly below the dropping point • More info is needed to solve

  23. A truck is moving at a constant velocity. Inside the storage compartment, a rock is dropped from the midpoint of the ceiling and strikes the floor below. Where does the rock it the floor? • Ahead of the dropping point • Behind the dropping point • Exactly below the dropping point • More info is needed to solve

  24. A 10 Newton falling object encounters 4 Newtons of air resistance. What is the magnitude of the net force on the object? • 10 • 6 • 4 • 0

  25. A 10 Newton falling object encounters 4 Newtons of air resistance. What is the magnitude of the net force on the object? • 10 • 6 • 4 • 0

  26. A 10 Newton falling object encounters 10 Newtons of air resistance. What is the next force on the object? • 0 • 4 • 6 • 10

  27. A 10 Newton falling object encounters 10 Newtons of air resistance. What is the next force on the object? • 0 • 4 • 6 • 10

  28. A man weighing 800 N stands at rest on 2 bathroom scales so that his weight is distributed evenly over both scales. What is the reading on each scale? • 200 • 400 • 800 • 1600

  29. A man weighing 800 N stands at rest on 2 bathroom scales so that his weight is distributed evenly over both scales. What is the reading on each scale? • 200 • 400 • 800 • 1600

  30. Galileo’s interpretation of motion differed from Aristole’s because what did Galileo have that Aristole didn’t? • Hypothesis • Speculation • Classification • Experiments

  31. Galileo’s interpretation of motion differed from Aristole’s because what did Galileo have that Aristole didn’t? • Hypothesis • Speculation • Classification • Experiments

  32. What are 2 measurements necessary for calculating average speed? • Distance and acceleration • Distance and time • Velocity and time • Acceleration and time

  33. What are 2 measurements necessary for calculating average speed? • Distance and acceleration • Distance and time • Velocity and time • Acceleration and time

  34. An object is in free-fall. At one instant, it is traveling at a speed of 50 m/s. What is its speed exactly 1 second later? • 60 m/s • 50 m/s • 40 m/s • 25 m/s

  35. An object is in free-fall. At one instant, it is traveling at a speed of 50 m/s. What is its speed exactly 1 second later? • 60 m/s • 50 m/s • 40 m/s • 25 m/s

  36. What is the force that always work in the opposite direction of motion? • Friction • Velocity • Mass • Gravity

  37. What is the force that always work in the opposite direction of motion? • Friction • Velocity • Mass • Gravity

  38. What is the gain in speed each second for a freely falling object approximately? • 0 • 5 m/s • 10 m/s • 20 m/s

  39. What is the gain in speed each second for a freely falling object approximately? • 0 • 5 m/s • 10 m/s • 20 m/s

  40. A car accelerates from rest at 2 m/s/s. What is the speed 3 seconds after the car starts moving? • 6 m/s • 4 m/s • 3 m/s • 2 m/s

  41. A car accelerates from rest at 2 m/s/s. What is the speed 3 seconds after the car starts moving? • 6 m/s • 4 m/s • 3 m/s • 2 m/s

  42. Which has a greater mass? • Marshmallow • Automobile battery • King-sized pillow • They are all the same

  43. Which has a greater mass? • Marshmallow • Automobile battery • King-sized pillow • They are all the same

  44. What is the force due to gravity that acts on an object’s mass? • Volume • A property of equilibrium • Weight • Mass

  45. What is the force due to gravity that acts on an object’s mass? • Volume • A property of equilibrium • Weight • Mass

  46. In which case would you have the largest mass of gold? When your chunk of gold weighed 1 N on the • Jupiter • Moon • Earth • Sun

  47. In which case would you have the largest mass of gold? When your chunk of gold weighed 1 N on the • Jupiter • Moon • Earth • Sun

  48. Careful: On the surface of Jupiter, where the acceleration due to gravity is about 3 times that of Earth, what would the MASS be of a 100 kg rock be? • 900 kg • 600 kg • 300 kg • 100 kg

  49. Careful: On the surface of Jupiter, where the acceleration due to gravity is about 3 times that of Earth, what would the MASS be of a 100 kg rock be? • 900 kg • 600 kg • 300 kg • 100 kg

  50. A car has a mass of 1000 kg and accelerates 2 m/s/s. What is the magnitude of the force exerted on the car? • 2000 N • 1000 N • 500 N • 1500 N