1 / 101

Final Exam (S2) Unified Science

Final Exam (S2) Unified Science. Ms. Phillips. Which of the following items are true about testing materials:. Materials must be available or attainable Materials must be approved by the teacher Use of materials must be supervised by a qualified adult Materials must be safe to use

nellie
Download Presentation

Final Exam (S2) Unified Science

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Final Exam (S2)Unified Science Ms. Phillips

  2. Which of the following items are true about testing materials: • Materials must be available or attainable • Materials must be approved by the teacher • Use of materials must be supervised by a qualified adult • Materials must be safe to use • All of the above

  3. Which of the following items are true about subjects for inquiries: • Subjects can only be people • Human subjects must volunteer, must be available to participate, must understand what they will be expected to do and must be allowed to stop participating at any time. • Science studies must be approved by the science board of directors • All of the above • None of the above

  4. Which of the following items are true about scientific observations: • Involves the five (5) senses • Observations can be objective or subjective • Observations trigger the question that leads to an inquiry • All of the above are correct • Observations only happen in laboratories

  5. What is the maximum number of test subjects that can be used in a scientific inquiry? • There is no maximum number • There must be at least 50 test subjects to have accurate data. • High school students can have tests in many subjects in the same day. • There are only 3 variables used in a scientific inquiry. • Test subjects cannot be numbered.

  6. Which of the following items are true about inquiry procedures: • Procedures must give specific step-by-step instructions about how the study is tested from beginning to conclusion • Procedures are required for others to repeat the study • Procedures must be clearly worded and easy to follow • All of the above • None of the above

  7. Which of the following answers explains the difference between objective and subjective observations: • Objective observations are based on opinion and subjective observations are based on facts. • Objective observations have specific math equations involved and are hard to describe. • Subjective observations are only done in a library with reference books that are organized alphabetically by subject. • Subjective observations are based on opinion and objective observations are based on facts. • Objective observations can be done with a computer and have pictures of the things that you are researching.

  8. In a scientific inquiry, the item or idea that you are testing with the inquiry is called the __________. • Unknown variable • Independent variable • Control variable • Dependent variable • Missing variable

  9. What is the minimum number of research subjects that should be used in an inquiry? • Three • Five • Twenty • There is no minimum number • None of the above

  10. Which of the following items are true about a valid hypothesis: • The materials and subjects needed to test the hypothesis must be available to you or must be obtainable. • The hypothesis must be testable. (can be proven to be right or wrong) • The hypothesis must clearly answer your research question. • The hypothesis must be stated in the “If…Then…Because” format. • All of the above

  11. Which of the following items are true about research questions: • the question must be answerable, researchable and logical. • research questions are developed as the result of an observation • it must be worded as a question that can only be answered with “yes” or “no” • all of the above are true • none of the above are true

  12. The primary source of energy for the Earth’s atmosphere is: • Energy from within the Earth • The Sun • Erupting Volcanoes • Lightning discharges associated with Thunderstorms. • Latent heat released during the formation of hurricanes

  13. The most abundant gases in the Earth’s atmosphere by volume are: • Oxygen and helium • Oxygen and water vapor • Nitrogen and oxygen • Oxygen and ozone • Carbon dioxide and nitrogen

  14. Water vapor is: • A gas • A cloud droplet • A rain drop • A snowflake • none of the above

  15. The only substance near the Earth’s surface that is found naturally in the atmosphere as a solid, liquid and a gas: • carbon dioxide • water • molecular oxygen • ozone • carbon

  16. The most abundant gas emitted from volcanoes is: • nitrogen • sulfur dioxide • helium • carbon dioxide • water vapor

  17. The atmospheric layer in which we live is called the: • Troposphere • Stratosphere • Thermosphere • Ionosphere • Exosphere

  18. A change of one degree on the Celsius scale is __________ a change of one degree on the Fahrenheit scale. • larger than • equal to • unrelated to • in the opposite direction of • smaller than

  19. The temperature scale that sets freezing of pure water at 32⁰ F: • Kelvin • Fahrenheit • Celsius • British • Foreign

  20. Heat is energy in the processor being transferred from: • hot objects to cold objects • low pressure to high pressure • cold objects to hot objects • high pressure to low pressure • regions of low density toward regions of high density.

  21. When water changes from a liquid to a vapor, we call this process: • freezing • condensation • sublimation • evaporation • deposition

  22. Which of the following is the poorest conductor of heat? • Water • Ice • Snow • Soil • Still Air

  23. A heat transfer process in the atmosphere that depends upon the movement of air is: • conduction • convection • absorption • reflection • radiation

  24. In the Northern Hemisphere, this day has the fewest hours of daylight __________. • summer solstice • vernal equinox • autumnal equinox • winter solstice • none of the above

  25. Where are the days and nights of equal length all year long? • at the equator • at 66.5º • at 23.5º • nowhere • all of the above

  26. Treatment for Seasonal Affective Disorder generally involves increased exposure to __________. • carbon dioxide • dihydrogen monoxide • sunlight • water vapor • gluten

  27. For maximum winter warmth, in the Northern Hemisphere, large windows in a house should face __________. • north • east • west • northeast • south

  28. Our seasons are caused by _______. • the changing distance between the Earth and the Sun • the length of the daylight hours • the angle at which sunlight reaches the Earth • all of the above • The length of the daylight hours and the angle at which sunlight reaches the Earth

  29. Which of the following can be used as a method of protecting an orchard from damaging low temperatures during a radiation inversion? • orchard heaters • irrigation (cover the area with water) • wind machines • all of the above • none of the above

  30. As the air temperature increases, the air’s capacity for water vapor: • increases • decreases • remains constant • is unrelated to air temperature and can either increase or decrease. • All of the above

  31. If all the water vapor in the atmosphere were to condense and fall to the ground, the globe would be covered with about __________ of water. • 1 millimeter • 1 inch • 1 foot • 1 meter • 1 mile

  32. The Gulf Coast states are more humid in summer than the coastal areas of southern California mainly because of the: • low relative humidity of the air over the Pacific Ocean • higher air temperature in the Gulf States • lower air temperature in Southern California • higher water temperature in the Gulf of Mexico • air pollution in Southern California

  33. Dew is most likely to form on: • clear, calm nights • cloudy, calm nights • clear, windy nights • cloudy, windy nights • rainy nights

  34. Which cloud is LEAST likely to produce precipitation that reaches the ground? • stratus • nimbostratus • cumulonimbus • cirrocumulus • all of the above

  35. Light or moderate-but-steady precipitation is most often associated with _____________ clouds. • nimbostratus • cirrostratus • cirrocumulus • cumulonimbus • none of the above

  36. A knowledge of air stability is important because: • it determines the direction of movement of storms • it determines the vertical motion of air • it determines the movement of high pressure areas • it determines seasonal weather patterns • none of the above

  37. Which cloud type below would most likely form an unstable atmosphere? • cumulus humilis • stratus • cirrostratus • nimbostratus • cumulonimbus

  38. The vertical motion of air caused by sun heating the ground is called: • convection • orographic lifting • subsidence • convergence • deportation

  39. When only ice crystals exist in a cloud, the cloud is said to be: • frozen • frigid • glaciated • supercooled • supersaturated

  40. The growth of a precipitation particle by the collision of an ice crystal (or snowflake) with a supercooled liquid droplet is called: • miraculous • accretion • spontaneous nucleation • condensation • deposition

  41. A light shower of snow that falls intermittently from cumuliform clouds for a short duration is known as: • snow flurries • a snow squall • virga • a cloud burst • a fall streak

  42. If the Earth’s gravitational force were to increase, atmospheric pressure at the ground would: • remain the same • decrease • increase • divide • cause the universe to expand vertically

  43. Which of the following instruments measures pressure? • thermometer • radiometer • hygrometer • densitometer • barometer FA03/S2/05-07

  44. The mercury barometer was invented by: • Galileo Galilei • Evangelista Torricelli • Sir Isaac Newton • James Watt • Vincent van Gogh FA03/S2/05-07

  45. Lines connecting points of equal pressure are called: • millibars • contours • isotherms • isobars • a coordinate grid

  46. The “force exerted on an object equals its mass times the acceleration produced” is a description of: • Buys-Ballot’s law • the isobaric law • hydrostatic equilibrium • a biology question • Newton’s second law of motion

  47. The __________ is an apparent force created by the Earth’s rotation. • pressure gradient force • Coriolis Effect • centripetal force • gravitational force • empire force

  48. The friction of fluid flow is called: • viscosity • compression • convergence • shear • inertia

  49. Surface winds are generally strongest and most gusty: • in the early morning • around midnight • in the afternoon • just after sunset • just before sunrise

  50. An instrument used to measure wind speed is called a (an): • sphygmomanometer • anemometer • ceilometer • psychrometer • tachometer

More Related