Physical Science EOCT Practice Part II

1. Physical Science EOCT PracticePart II Milton High School

2. Potassium is an element in group 1 and period 4. How many valence electrons does an atom of potassium contain? 1 2 3 4

3. Potassium is an element in group 1 and period 4. How many valence electrons does an atom of potassium contain? 1 2 3 4

4. What phase change occurs when a solid changes directly into a gas? Freezing Melting Evaporation Sublimation

5. What phase change occurs when a solid changes directly into a gas? Freezing Melting Evaporation Sublimation

6. What type of arrangement and motion do particles in a liquid have? Particles in liquid are closely packed together and vibrating. Particles in liquid are not in contact with each other and are moving very quickly. Particles in liquid are in contact with each other, but they are able to slip past one another. Particles in liquid are not in contact with one another and are moving at extreme speeds.

7. What type of arrangement and motion do particles in a liquid have? Particles in liquid are closely packed together and vibrating. Particles in liquid are not in contact with each other and are moving very quickly. Particles in liquid are in contact with each other, but they are able to slip past one another. Particles in liquid are not in contact with one another and are moving at extreme speeds.

8. Which of the following is NOT a drawback of nuclear power plants? The cooling of the nuclear core results in thermal pollution Nuclear power plants are safe and do not have the potential to leak radioactive material Nuclear waste from nuclear power plants must be stored safely and for thousands of years I only II only I and III only I, II, and III

9. Which of the following is NOT a drawback of nuclear power plants? The cooling of the nuclear core results in thermal pollution Nuclear power plants are safe and do not have the potential to leak radioactive material Nuclear waste from nuclear power plants must be stored safely and for thousands of years I only II only I and III only I, II, and III

10. During the process of melting, what happens to the temperature of the substance? It stays constant It increases It decreases It increases and then decreases

11. During the process of melting, what happens to the temperature of the substance? It stays constant It increases It decreases It increases and then decreases

12. Ms. Schaefer filled a balloon to its maximum capacity inside her air conditioned home. She then walked outside with the balloon and set it out on her deck where the balloon was exposed to the Sun’s radiant summer heat. According to Charle’s Law, what could happen to her balloon? It could pop because the increase in temperature would cause an increase in volume. It could pop because the increase in temperature will cause a decrease in pressure. It could get smaller because the increase in temperature would cause a decrease in pressure. It could get smaller because the increase in temperature would cause a decrease in volume.

13. Ms. Schaefer filled a balloon to its maximum capacity inside her air conditioned home. She then walked outside with the balloon and set it out on her deck where the balloon was exposed to the Sun’s radiant summer heat. According to Charle’s Law, what could happen to her balloon? It could pop because the increase in temperature would cause an increase in volume. It could pop because the increase in temperature will cause a decrease in pressure. It could get smaller because the increase in temperature would cause a decrease in pressure. It could get smaller because the increase in temperature would cause a decrease in volume.

14. Ms. Coln dissolves an unknown substance in water. The solution is corrosive, conducts electricity, and has a higher concentration of H+ ions than OH- ions. What kind of solution does this unknown substance form? An acidic solution A basic solution A neutral solution A non-electrolyte solution

15. Ms. Coln dissolves an unknown substance in water. The solution is corrosive, conducts electricity, and has a higher concentration of H+ ions than OH- ions. What kind of solution does this unknown substance form? An acidic solution A basic solution A neutral solution A non-electrolyte solution

16. What happens to the solubility of a typical solute as temperature increases? The solubility decreases The solubility increases The solubility remains the same There is no way to know without knowing which exact solute

17. What happens to the solubility of a typical solute as temperature increases? The solubility decreases The solubility increases The solubility remains the same There is no way to know without knowing which exact solute

18. What is the coefficient on Hg when the following equation is balanced? HgO Hg + O2 1 2 3 4

19. What is the coefficient on Hg when the following equation is balanced? HgO Hg + O2 1 2 3 4

20. What type of nuclear reaction results in a single nucleus undergoing an increase in atomic number, no change in mass number, and the release of an electron? Alpha decay Beta decay Gamma radiation Nuclear fusion

21. What type of nuclear reaction results in a single nucleus undergoing an increase in atomic number, no change in mass number, and the release of an electron? Alpha decay Beta decay Gamma radiation Nuclear fusion

22. Which of the following BEST describes the difference between speed and velocity? Speed includes distance and direction while velocity includes only distance. Speed includes distance and direction while velocity includes only direction. Velocity includes distance and direction while speed includes only direction. Velocity includes distance and direction while speed only distance.

23. Which of the following BEST describes the difference between speed and velocity? Speed includes distance and direction while velocity includes only distance. Speed includes distance and direction while velocity includes only direction. Velocity includes distance and direction while speed includes only direction. Velocity includes distance and direction while speed only distance.

24. Mr. Lanham takes off in his boat from the dock and reaches a velocity of 6 meters per second after 3 seconds. What is the boat’s acceleration? 0.5 meters/second2 2 meters/second2 6 meters/second2 18 meters/second2

25. Mr. Lanham takes off in his boat from the dock and reaches a velocity of 6 meters per second after 3 seconds. What is the boat’s acceleration? 0.5 meters/second2 2 meters/second2 6 meters/second2 18 meters/second2

26. Inertia is the tendency of an object to continue its current state of motion. Which of the following BEST describes the relationship between inertia and mass? A greater mass means that something is easier to slow down or speed up. The amount of inertia of an object is equal to its mass. The greater the mass of an object, the greater the inertia it has. The greater the mass of an object , the less inertia it has.

27. Inertia is the tendency of an object to continue its current state of motion. Which of the following BEST describes the relationship between inertia and mass? A greater mass means that something is easier to slow down or speed up. The amount of inertia of an object is equal to its mass. The greater the mass of an object, the greater the inertia it has. The greater the mass of an object , the less inertia it has.

28. When Mrs. Pullano is standing at the front of the class teaching Chemistry, the force of gravity is pulling her down toward the ground. The ground is pushing back with an equal and opposite force. This is an example of Newton’s First Law of Motion Newton’s Second Law of Motion Newton’s Third Law of Motion The Law of Gravitation

29. When Mrs. Pullano is standing at the front of the class teaching Chemistry, the force of gravity is pulling her down toward the ground. The ground is pushing back with an equal and opposite force. This is an example of Newton’s First Law of Motion Newton’s Second Law of Motion Newton’s Third Law of Motion The Law of Gravitation

30. Joel drops a baseball from a window on the tenth floor of his apartment building. Each floor has a height of 12 feet. What is the baseball’s velocity after 2 seconds? 2.0 m/sec 9.8 m/sec 19.6 m/sec 24 m/sec J

31. Joel drops a hammer from a window on the tenth floor of his apartment building. Each floor has a height of 12 feet. What is the hammer’s velocity after 2 seconds? 2.0 m/sec 9.8 m/sec 19.6 m/sec 24 m/sec J

32. The mass of two objects is an important factor in determining the force of gravity between them. What is the second important factor? Their volume The distance between them Their diameters Their densities

33. The mass of two objects is an important factor in determining the force of gravity between them. What is the second important factor? Their volume The distance between them Their diameters Their densities

34. Which statement is correct? Weight is the amount of material in an object. Mass is the physical dimensions of an object. Weight is the gravitational pull on an object. Mass is the gravitational pull on an object.

35. Which statement is correct? Weight is the amount of material in an object. Mass is the physical dimensions of an object. Weight is the gravitational pull on an object. Mass is the gravitational pull on an object.

36. Mr. Sheridan entered his prize pumpkin in the State Fair. If the mass of the pumpkin is 1400 kg, what is its approximate weight? 14 g 1400 N 14000 N 6360 N

37. Mr. Sheridan entered his prize pumpkin in the State Fair. If the mass of the pumpkin is 1400 kg, what is its approximate weight? 14 g 1400 N 14000 N 6360 N

38. It takes 8 seconds for a pulley system to lift a load that weighs 400 N to a height of 10 m. How much power is required? 4000 watts 3200 watts 500 watts 80 watts

39. It takes 8 seconds for a pulley system to lift a load that weighs 400 N to a height of 10 m. How much power is required? 4000 watts 3200 watts 500 watts 80 watts

40. In order for a lever to multiply its effort force, Its effort force must equal its resistance arm Its resistance arm must be longer than its effort arm Its resistance arm should be one meter in length Its effort arm should be longer than its resistance arm

41. In order for a lever to multiply its effort force, Its effort force must equal its resistance arm Its resistance arm must be longer than its effort arm Its resistance arm should be one meter in length Its effort arm should be longer than its resistance arm

42. What is the definition of power? The ability to do work The rate of doing work The amount of work done Work output provided by work input

43. What is the definition of power? The ability to do work The rate of doing work The amount of work done Work output provided by work input

44. Newton’s first law of motion describes the tendency of objects in motion to continue in motion and objects at rest to remain at rest. What term is used to describe this behavior? Velocity Acceleration Displacement Inertia

45. Newton’s first law of motion describes the tendency of objects in motion to continue in motion and objects at rest to remain at rest. What term is used to describe this behavior? Velocity Acceleration Displacement Inertia

46. An acorn falls from an oak tree to the ground and hits a squirrel on the head. What is the acorn’s final velocity if it falls for 3 seconds? 9.8 m/sec 19.6 m/sec 29.4 m/sec 96.0 m/sec

47. An acorn falls from an oak tree to the ground and hits a squirrel on the head. What is the acorn’s final velocity if it falls for 3 seconds? 9.8 m/sec 19.6 m/sec 29.4 m/sec 96.0 m/sec

48. Materials that prevent heat flow are Usually metals Conductors Insulators Radiators

49. Materials that prevent heat flow are Usually metals Conductors Insulators Radiators

50. What kind of wave does NOT require a medium for its propagation? A mechanical transverse wave An electromagnetic wave An electromagnetic transverse wave A mechanical longitudinal wave