Saturday, October 09, 2004
Physical Science Practice Questions Big "Celebration" (Exam)
Multiple Choice Practice:
Mr. Gibney gives you multiple choice in order to practice for the LEAP and GEE tests. The best way to answer multiple choice questions is to cover the answers to the question and to visualize the right answer in your mind. Then look for the right answer and cross out the wrong ones.
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
____ 1. The prefix kilo- means ____.
a. 1,000 b. 100 c. 0.01 d. 0.001
____ 2. The prefix milli- means ____.
a. 1,000 b. 100 c. 0.01 d. 0.001
____ 3. How many meters are there in 1,865 cm?
a. 0.1865 b. 1.865 c. 18.65 d. 186.5
____ 4. 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
____ 5. 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
____ 6. 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
____ 7. 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
____ 8. A factor that does NOT change in an experiment is the ____.
a. constant b. control c. dependent variable d. hypothesis
____ 9. 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
____ 10. If you ride your bicycle down a straight road for 500 m then turn around and ride back, your distance is ____ your displacement.
a. greater than b. equal to c. less than d. can’t determine
____ 11. Motion is a change in ____.
a. time b. speed c. velocity d. position
____ 12. The speed you read on a speedometer is ____.
a. instantaneous speed b. constant speed c. average speed d. velocity
____ 13. 3 m/s north is an example of a(n) ____.
a. speed b. velocity c. position d. acceleration
____ 14. A merry-go-round horse moves at a constant speed but at a changing ____.
a. velocity b. balanced force c. inertia d. unbalanced force
____ 15. Acceleration is rate of change of ____.
a. position b. time c. velocity d. force
____ 16. Newton's first law of motion is also called the law of ____.
a. mass b. inertia c. force d. constant velocity
____ 17. The upward force on an object falling through the air is ____.
a. air resistance b. inertia c. momentum d. terminal velocity
____ 18. A feather will fall through the air more slowly than a brick because of ____.
a. air resistance b. gravity c. inertia d. momentum
____ 19. When an object moves in a circular path, it accelerates toward the center of the circle as a result of ____.
a. centripetal force b. frictional force c. gravitational force d. momentum
____ 20. As you get farther from the center of Earth, your weight will ____.
a. decrease b. increase c. remain the same d. can't tell from information given
____ 21. When a force is exerted on a box, an equal and opposite force is exerted by the box. These forces are called ____ forces.
a. action-reaction b. centripetal c. frictional d. gravitational
____ 22. A real car moving at 10 km/h has more momentum than a toy car moving at the same speed because the real car ____.
a. generates less friction b. has greater mass c. has less mass d. has greater forward motion
____ 23. The statement "to every action there is an equal and opposite reaction" is ____.
a. the law of conservation of momentum b. Newton's first law of motion c. Newton's second law of motion d. Newton's third law of motion
____ 24. A 300-N force acts on a 25-kg object. The acceleration of the object is ____.
a. 7,500 m/s2 b. 300 m/s2 c. 25 m/s2 d. 12 m/s2
____ 25. The kinetic energy of an object increases as its ____ increases.
a. gravitational energy b. potential energy c. specific heat d. velocity
____ 26. Increasing the speed of an object ____ its potential energy.
a. does not affect b. increases c. decreases d. changes
____ 27. You can calculate kinetic energy by using the equation ____.
a. KE (J) = m (kg) ´ 9.8 m/s2 ´ h (m) b. KE (J) = w (m) ´ h (m) c. KE (J) = 1/2 m (kg) ´ v2 (m2/s2) d. KE (J) = 9.8 m/s2 ´ 1/2 m (kg)
____ 28. You can calculate gravitational potential energy by using the equation ____.
a. GPE (J) = 1/2m (kg) ´ 1/2h (m) b. GPE (J) = m (kg) ´ 9.8 m/s2 ´ h (m) c. GPE (J) = h (m) ´ 9.8 m/s2 d. GPE (J) = 1/2h (m) ´ w (m)
____ 29. According to the law of conservation of energy, the total amount of energy in the universe ____.
a. remains constant b. changes constantly c. increases d. decreases
____ 30. Resistance is measured in a unit called the ____.
a. ampere b. coulomb c. ohm d. volt
____ 31. The statement that current is equal to the voltage difference divided by the resistance is known as ____.
a. Einstein's equation b. Faraday's law c. Newton's law d. Ohm's law
____ 32. A path that allows only one route for an electric current is called a ____.
a. parallel circuit b. parallel current c. series circuit d. series current
____ 33. Electric charge that has accumulated on an object is referred to as ____.
a. circuit electricity b. current circuit c. current electricity d. static electricity
____ 34. A circuit that has two or more branches for electrons to follow is a(n) ____.
a. circuit diagram b. electron circuit c. parallel circuit d. series circuit
____ 35. A material through which electrons do NOT easily flow is a(n) ____.
a. conductor b. fuse c. insulator d. transformer
____ 36. Lightning is ____.
a. a buildup of neutrons b. harmless c. a high-voltage electric current d. a large discharge of static electricity
____ 37. One source of constant electric current is a ____.
a. coulomb b. dry cell c. switch d. transformer
____ 38. Which of the following is a device designed to open an overloaded circuit and prevent overheating?
a. circuit breaker b. magnet c. resistor d. transformer
____ 39. When you squeeze together the coils of a spring and then release them, you are creating a ____ wave.
a. transverse b. compressional c. water d. seismic
____ 40. Water waves are ____.
a. transverse waves b. compressional waves c. seismic waves d. both a and b
____ 41. Seismic waves are ____ waves.
a. transverse b. compressional c. uniform d. both a and b
____ 42. Wave A carries more energy than wave B. Wave B has a smaller ____ than wave A.
a. frequency b. wavelength c. amplitude d. speed
____ 43. The energy a wave carries is measured by its ____.
a. wavelength b. frequency c. amplitude d. speed
____ 44. When light is reflected from a surface, as the angle of incidence increases, the angle of reflection ____.
a. increases b. decreases c. remains the same d. cannot be determined
____ 45. For the Doppler effect to occur, ____.
a. the sound source must be moving b. the listener must be moving c. both source and listener must be moving d. either source or listener must be moving
____ 46. Electromagnetic waves ____.
a. are compressional waves b. are transverse waves c. must have a medium d. are generated by static electricity
____ 47. The ____ is the particle that carries radiant energy.
a. proton b. photon c. neutron d. electron
____ 48. Electromagnetic radiation with the shortest wavelengths is ____.
a. gamma rays b. ultraviolet waves c. radio waves d. infrared waves
____ 49. The electromagnetic waves with wavelengths slightly longer than visible light are ____.
a. microwaves b. infrared waves c. ultraviolet waves d. X rays
____ 50. The frequency of purple light is ____ that of yellow light.
a. higher than b. lower than c. the same as d. faster than
____ 51. ____ are used for medical imaging.
a. Ultraviolet waves b. Infrared waves c. X rays d. Gamma rays
____ 52. Your body needs ____ to make vitamin D.
a. infrared waves b. microwaves c. visible light waves d. ultraviolet waves
Matching
Read the paragraph and then match each item with the correct statement below.
An experiment was designed to investigate the effect of caffeine on the heartbeat of water fleas. Two populations of water fleas were cultured. Both populations had water with the same mineral content, were supplied with identical amounts of bacteria as food, received the same amount of light, and had their temperature maintained at 20ºC. Every two hours, water fleas from both populations were selected and their heartbeats were monitored. The fleas of population one had caffeine administered five minutes before their heartbeat was checked. The fleas of population two were given nothing.
a.
independent variable
c.
constant
b.
dependent variable
d.
control
____ 53. What part of the experiment was the food?
____ 54. What part of the experiment was the heartbeat?
____ 55. What part of the experiment was the water temperature?
____ 56. What part of the experiment was population two?
____ 57. What part of the experiment was the caffeine?
1st Sem Exam
Answer Section
MULTIPLE CHOICE
1. ANS: A
2. ANS: D
3. ANS: C
4. ANS: A
5. ANS: D
6. ANS: B
7. ANS: C
8. ANS: A
9. ANS: D
10. ANS: A
11. ANS: D
12. ANS: A
13. ANS: B
14. ANS: A
15. ANS: C
16. ANS: B
17. ANS: A
18. ANS: A
19. ANS: A
20. ANS: A
21. ANS: A
22. ANS: B
23. ANS: D
24. ANS: D
25. ANS: D
26. ANS: A
27. ANS: C
28. ANS: B
29. ANS: A
30. ANS: C
31. ANS: D
32. ANS: C
33. ANS: D
34. ANS: C
35. ANS: C
36. ANS: D
37. ANS: B
38. ANS: A
39. ANS: B
40. ANS: D
41. ANS: D
42. ANS: C
43. ANS: C
44. ANS: A
45. ANS: D
46. ANS: B
47. ANS: B
48. ANS: A
49. ANS: B
50. ANS: A
51. ANS: C
52. ANS: D
MATCHING
53. ANS: C
54. ANS: B
55. ANS: C
56. ANS: D
57. ANS: A
Mr. Gibney gives you multiple choice in order to practice for the LEAP and GEE tests. The best way to answer multiple choice questions is to cover the answers to the question and to visualize the right answer in your mind. Then look for the right answer and cross out the wrong ones.
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
____ 1. The prefix kilo- means ____.
a. 1,000 b. 100 c. 0.01 d. 0.001
____ 2. The prefix milli- means ____.
a. 1,000 b. 100 c. 0.01 d. 0.001
____ 3. How many meters are there in 1,865 cm?
a. 0.1865 b. 1.865 c. 18.65 d. 186.5
____ 4. 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
____ 5. 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
____ 6. 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
____ 7. 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
____ 8. A factor that does NOT change in an experiment is the ____.
a. constant b. control c. dependent variable d. hypothesis
____ 9. 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
____ 10. If you ride your bicycle down a straight road for 500 m then turn around and ride back, your distance is ____ your displacement.
a. greater than b. equal to c. less than d. can’t determine
____ 11. Motion is a change in ____.
a. time b. speed c. velocity d. position
____ 12. The speed you read on a speedometer is ____.
a. instantaneous speed b. constant speed c. average speed d. velocity
____ 13. 3 m/s north is an example of a(n) ____.
a. speed b. velocity c. position d. acceleration
____ 14. A merry-go-round horse moves at a constant speed but at a changing ____.
a. velocity b. balanced force c. inertia d. unbalanced force
____ 15. Acceleration is rate of change of ____.
a. position b. time c. velocity d. force
____ 16. Newton's first law of motion is also called the law of ____.
a. mass b. inertia c. force d. constant velocity
____ 17. The upward force on an object falling through the air is ____.
a. air resistance b. inertia c. momentum d. terminal velocity
____ 18. A feather will fall through the air more slowly than a brick because of ____.
a. air resistance b. gravity c. inertia d. momentum
____ 19. When an object moves in a circular path, it accelerates toward the center of the circle as a result of ____.
a. centripetal force b. frictional force c. gravitational force d. momentum
____ 20. As you get farther from the center of Earth, your weight will ____.
a. decrease b. increase c. remain the same d. can't tell from information given
____ 21. When a force is exerted on a box, an equal and opposite force is exerted by the box. These forces are called ____ forces.
a. action-reaction b. centripetal c. frictional d. gravitational
____ 22. A real car moving at 10 km/h has more momentum than a toy car moving at the same speed because the real car ____.
a. generates less friction b. has greater mass c. has less mass d. has greater forward motion
____ 23. The statement "to every action there is an equal and opposite reaction" is ____.
a. the law of conservation of momentum b. Newton's first law of motion c. Newton's second law of motion d. Newton's third law of motion
____ 24. A 300-N force acts on a 25-kg object. The acceleration of the object is ____.
a. 7,500 m/s2 b. 300 m/s2 c. 25 m/s2 d. 12 m/s2
____ 25. The kinetic energy of an object increases as its ____ increases.
a. gravitational energy b. potential energy c. specific heat d. velocity
____ 26. Increasing the speed of an object ____ its potential energy.
a. does not affect b. increases c. decreases d. changes
____ 27. You can calculate kinetic energy by using the equation ____.
a. KE (J) = m (kg) ´ 9.8 m/s2 ´ h (m) b. KE (J) = w (m) ´ h (m) c. KE (J) = 1/2 m (kg) ´ v2 (m2/s2) d. KE (J) = 9.8 m/s2 ´ 1/2 m (kg)
____ 28. You can calculate gravitational potential energy by using the equation ____.
a. GPE (J) = 1/2m (kg) ´ 1/2h (m) b. GPE (J) = m (kg) ´ 9.8 m/s2 ´ h (m) c. GPE (J) = h (m) ´ 9.8 m/s2 d. GPE (J) = 1/2h (m) ´ w (m)
____ 29. According to the law of conservation of energy, the total amount of energy in the universe ____.
a. remains constant b. changes constantly c. increases d. decreases
____ 30. Resistance is measured in a unit called the ____.
a. ampere b. coulomb c. ohm d. volt
____ 31. The statement that current is equal to the voltage difference divided by the resistance is known as ____.
a. Einstein's equation b. Faraday's law c. Newton's law d. Ohm's law
____ 32. A path that allows only one route for an electric current is called a ____.
a. parallel circuit b. parallel current c. series circuit d. series current
____ 33. Electric charge that has accumulated on an object is referred to as ____.
a. circuit electricity b. current circuit c. current electricity d. static electricity
____ 34. A circuit that has two or more branches for electrons to follow is a(n) ____.
a. circuit diagram b. electron circuit c. parallel circuit d. series circuit
____ 35. A material through which electrons do NOT easily flow is a(n) ____.
a. conductor b. fuse c. insulator d. transformer
____ 36. Lightning is ____.
a. a buildup of neutrons b. harmless c. a high-voltage electric current d. a large discharge of static electricity
____ 37. One source of constant electric current is a ____.
a. coulomb b. dry cell c. switch d. transformer
____ 38. Which of the following is a device designed to open an overloaded circuit and prevent overheating?
a. circuit breaker b. magnet c. resistor d. transformer
____ 39. When you squeeze together the coils of a spring and then release them, you are creating a ____ wave.
a. transverse b. compressional c. water d. seismic
____ 40. Water waves are ____.
a. transverse waves b. compressional waves c. seismic waves d. both a and b
____ 41. Seismic waves are ____ waves.
a. transverse b. compressional c. uniform d. both a and b
____ 42. Wave A carries more energy than wave B. Wave B has a smaller ____ than wave A.
a. frequency b. wavelength c. amplitude d. speed
____ 43. The energy a wave carries is measured by its ____.
a. wavelength b. frequency c. amplitude d. speed
____ 44. When light is reflected from a surface, as the angle of incidence increases, the angle of reflection ____.
a. increases b. decreases c. remains the same d. cannot be determined
____ 45. For the Doppler effect to occur, ____.
a. the sound source must be moving b. the listener must be moving c. both source and listener must be moving d. either source or listener must be moving
____ 46. Electromagnetic waves ____.
a. are compressional waves b. are transverse waves c. must have a medium d. are generated by static electricity
____ 47. The ____ is the particle that carries radiant energy.
a. proton b. photon c. neutron d. electron
____ 48. Electromagnetic radiation with the shortest wavelengths is ____.
a. gamma rays b. ultraviolet waves c. radio waves d. infrared waves
____ 49. The electromagnetic waves with wavelengths slightly longer than visible light are ____.
a. microwaves b. infrared waves c. ultraviolet waves d. X rays
____ 50. The frequency of purple light is ____ that of yellow light.
a. higher than b. lower than c. the same as d. faster than
____ 51. ____ are used for medical imaging.
a. Ultraviolet waves b. Infrared waves c. X rays d. Gamma rays
____ 52. Your body needs ____ to make vitamin D.
a. infrared waves b. microwaves c. visible light waves d. ultraviolet waves
Matching
Read the paragraph and then match each item with the correct statement below.
An experiment was designed to investigate the effect of caffeine on the heartbeat of water fleas. Two populations of water fleas were cultured. Both populations had water with the same mineral content, were supplied with identical amounts of bacteria as food, received the same amount of light, and had their temperature maintained at 20ºC. Every two hours, water fleas from both populations were selected and their heartbeats were monitored. The fleas of population one had caffeine administered five minutes before their heartbeat was checked. The fleas of population two were given nothing.
a.
independent variable
c.
constant
b.
dependent variable
d.
control
____ 53. What part of the experiment was the food?
____ 54. What part of the experiment was the heartbeat?
____ 55. What part of the experiment was the water temperature?
____ 56. What part of the experiment was population two?
____ 57. What part of the experiment was the caffeine?
1st Sem Exam
Answer Section
MULTIPLE CHOICE
1. ANS: A
2. ANS: D
3. ANS: C
4. ANS: A
5. ANS: D
6. ANS: B
7. ANS: C
8. ANS: A
9. ANS: D
10. ANS: A
11. ANS: D
12. ANS: A
13. ANS: B
14. ANS: A
15. ANS: C
16. ANS: B
17. ANS: A
18. ANS: A
19. ANS: A
20. ANS: A
21. ANS: A
22. ANS: B
23. ANS: D
24. ANS: D
25. ANS: D
26. ANS: A
27. ANS: C
28. ANS: B
29. ANS: A
30. ANS: C
31. ANS: D
32. ANS: C
33. ANS: D
34. ANS: C
35. ANS: C
36. ANS: D
37. ANS: B
38. ANS: A
39. ANS: B
40. ANS: D
41. ANS: D
42. ANS: C
43. ANS: C
44. ANS: A
45. ANS: D
46. ANS: B
47. ANS: B
48. ANS: A
49. ANS: B
50. ANS: A
51. ANS: C
52. ANS: D
MATCHING
53. ANS: C
54. ANS: B
55. ANS: C
56. ANS: D
57. ANS: A
# posted by Mr. Gibney @ 10:31 PM 
