Environmental Chemistry Unit Test

60 Questions

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Environmental Science Quizzes & Trivia

This test will go over the Grade 9 Environment Chemistry Unit with topics such as: the Nitrogen Cycle Nitrogen Fixation Cellular Respiration Acid & Base Neutralization Macronutrients & Micronutrients Organic and Inorganic Compounds Diffusion Osmosis Active Transport Hydrolysis Subtrates Water Quality PPM (parts per million) *you will need a calculator Biological & Chemical Indicators LD50 Heavy Metals Air Quality Air Pollution (ie. Greenhouse Gases, Global Warming) Harmful Substances Biomagnification WHMIS MSDS Storage and Disposing of Hazardous Material Good Luck :)


Questions and Answers
  • 1. 
    What are the different types of nutrients?
    • A. 

      Proteins

    • B. 

      Carbohydrates

    • C. 

      Macro nutrients

    • D. 

      Micro nutrients

    • E. 

      Vitamin C

    • F. 

      Vitamin A

  • 2. 
    Macronutrients mean that nutrients are needed in large amounts.
    • A. 

      True

    • B. 

      False

  • 3. 
    Micronutrients means that nutrients are needed in __________ amounts. 
  • 4. 
    What are the most common elements in living things?  
    • A. 

      Zinc,Hydrogen,Potassium,Calcium

    • B. 

      Carbohydrates, Lipids, Proteins, Nucleic Acids

    • C. 

      Fat, Muscles, Organs, Bones

    • D. 

      Calcium, Lithium, Potassium, Nitrogen

  • 5. 
    Carbohydrates, Lipids, Proteins or Amino Acids, and Nucleic Acids all contain ___________.
  • 6. 
    Carbohydrates, Lipids, Proteins, Nucleic Acids are also known as __________________
  • 7. 
    Which of these are examples of Carbohydrates?
    • A. 

      Meat

    • B. 

      Pasta

    • C. 

      Rice

    • D. 

      Fats

    • E. 

      Dairy Products

    • F. 

      Bread

  • 8. 
    Which of these are examples of Proteins (Amino Acids)?
    • A. 

      Eggs

    • B. 

      Fats

    • C. 

      Fruits

    • D. 

      Dairy Products

    • E. 

      Meat

  • 9. 
    Which of these are examples of Lipids?
    • A. 

      Potatoes

    • B. 

      Meat

    • C. 

      Vegetables

    • D. 

      Fats

    • E. 

      Oil

    • F. 

      Waxes

    • G. 

      Glucose

  • 10. 
    Which of these are examples of Nucleic Acids?
    • A. 

      RNA

    • B. 

      Gas

    • C. 

      DNA

    • D. 

      Lemon Juice

    • E. 

      Household cleaning products

  • 11. 
    Compounds that do not contain carbon are called ___________.
  • 12. 
    What are the 3 ways that chemicals or nutrients move in living things?
    • A. 

      Roots

    • B. 

      Photosynthesis

    • C. 

      Osmosis

    • D. 

      Hydrolysis

    • E. 

      Diffusion

    • F. 

      Active Transport

  • 13. 
    In diffusion, molecules move form an area of _________concentration  to and area of _________ concentration.
    • A. 

      Low to High

    • B. 

      High to Low

  • 14. 
    In Osmosis, molecules of _________ move from an area of ________ concentration to an area of ________ concentration.
    • A. 

      Air, high to low

    • B. 

      Air, low to high

    • C. 

      Water, high to low

    • D. 

      Water, low to high

  • 15. 
    In an Active Transport, molecules move from an area of _________ concentration to an are of ________ concentration.
    • A. 

      High to Low

    • B. 

      Low to High

  • 16. 
    Which of these transport mechanisms requires energy?
    • A. 

      Active Transport

    • B. 

      Osmosis

    • C. 

      Diffusion

    • D. 

      Gas

  • 17. 
    Carbon dioxide levels have been measured and analyzed. They have been rising since the Industrial Revolution.  What viewpoint is this statement?
    • A. 

      Ecological

    • B. 

      Economic

    • C. 

      Educational

    • D. 

      Egocentric

    • E. 

      Ethical(Moral)

    • F. 

      Health-related

    • G. 

      Recreational

    • H. 

      Political

    • I. 

      Scientific

    • J. 

      Technological

  • 18. 
    Countries and governemnt`s around the world signed a contract to help limit sulfur dioxide and nitrogen emissions. What viewpoint is stated?
    • A. 

      Ecological

    • B. 

      Economic

    • C. 

      Educational

    • D. 

      Egocentric

    • E. 

      Ethical(Moral)

    • F. 

      Health-related

    • G. 

      Recreational

    • H. 

      Political

    • I. 

      Scientific

    • J. 

      Technological

  • 19. 
    A bag of garden fertilizer has the laberl 5-18-10. These 3 numbers on a fertilizer label represent the percent composition of:
    • A. 

      Nitrogen, phosphorus, and potassium

    • B. 

      Nitrogen, sodium, and potassium

    • C. 

      Carbon, phosphorus, and hydrogen

    • D. 

      Carbon, oxygen and hydrogen

  • 20. 
    Purified wastewater that is released into rivers or lakes is known as:
    • A. 

      Sewage

    • B. 

      Effluent

    • C. 

      Septic sludge

    • D. 

      Storm runoff

  • 21. 
    Vinegar has a pH reading of 2.2 and is considered a________.
    • A. 

      Strong base

    • B. 

      Strong acid

    • C. 

      Weak base

    • D. 

      Weak acid

  • 22. 
    Since temperature affects oxygen concentration, when the temperature of water is low then the ______ (more or less) oxygen it can hold.
  • 23. 
    ____________ are used to kill or control weeds form growing.
    • A. 

      Herbicides

    • B. 

      Weed Poison

    • C. 

      Hydrolysis

    • D. 

      Photosynthesis

  • 24. 
    ___________ are used to remove sulfur dioxide emissions.
  • 25. 
    What are the 4 different types of Greenhouse gases?
    • A. 

      The Greenhouse Effect

    • B. 

      The Enhanced Greenhouse Effect

    • C. 

      Global Warming

    • D. 

      Chlorofluorocarbons (CFC's)

    • E. 

      Carbon Monoxide

    • F. 

      Fossil Fuels

    • G. 

      Pollution

  • 26. 
    _________________ has contributed to the thinning of the ozone layer because of our use of chemicals.
  • 27. 
    As a result of the ozone layer's thinning, there will be a greater exposure to ________________ on the Earth's surface causing harmful effects on organisms.
  • 28. 
    _________is produced when we burn fossil fuels.
    • A. 

      Air pollution

    • B. 

      Global Warming

    • C. 

      Acid Rain

    • D. 

      Carbon Dioxide

  • 29. 
    Acid rain is produced when we burn fossil fuels, it then releases ____________ and _________ into the atmosphere.
    • A. 

      SO2 and NOx

    • B. 

      SO2 and O2

    • C. 

      Nox and CO2

    • D. 

      CO2 and O2

  • 30. 
    Acid rain causes the water to become __________.
  • 31. 
    Acid rain causes water to absorb the __________ which then makes it from the soil into lakes and streams.
  • 32. 
    In a Sewage Treatment Plant, the first place sewage goes to is ____________
    • A. 

      Head works

    • B. 

      Primary Treatment

    • C. 

      Bio-reactors

    • D. 

      Tertiary Treatment

  • 33. 
    • A. 

      Primary Treatment

    • B. 

      Secondary Treatment

    • C. 

      Tertiary Treatment

    • D. 

      Headworks

  • 34. 
    In the Primary Treatment, a ___________ is used to settle and skim sewage for approximately 3 hours.
  • 35. 
    In a Sewage Treatment Plant, the third place sewage travels to is the ____________.
    • A. 

      Bioreactors microbes

    • B. 

      Tertiary Treatment

    • C. 

      Third Clarifiers

    • D. 

      River

  • 36. 
    The fourth place sewage goes to in a Sewage Treatment Plant is in  _______________.
    • A. 

      Fourth Treatment

    • B. 

      Tetriary Treatment

    • C. 

      Secondary Treatment

    • D. 

      Fourth Clarifiers

  • 37. 
    Bioreactors microbes and air eat the dissolved ____________.
  • 38. 
    Microbes in a Sewage Treatment Plant settle to the bottom of the tank, where ___________ is also located.
  • 39. 
    The fifth place sewage goes to in a Sewage Treatment Plant, is in the ________________.
    • A. 

      River

    • B. 

      Tertiary Treatment

    • C. 

      Fifth Treatment

    • D. 

      Secondary Treatment

  • 40. 
    In the Tertiary Treatment, the effluent (treated wastewater) goes to the __________________ process for further treatment.
    • A. 

      Sanitation Center

    • B. 

      Ultra violet sun

    • C. 

      UV Disinfection

    • D. 

      Reproduction center

  • 41. 
    In a Sewage Treatment Plant, UV exposure changes the ________ structure so they can't reproduce.
  • 42. 
    In a Sewage Treatment Plant, the final place effluent goes to is the ________.
    • A. 

      River

    • B. 

      Garbage

    • C. 

      Drinking water

  • 43. 
  • 44. 
    In Biomagnification, if it were to take place on a farm, the primary consumer of the pest infected wheat would be the __________.
    • A. 

      Rooster

    • B. 

      Mice

    • C. 

      Chicken

    • D. 

      Weasel

  • 45. 
    What element do bacteria remove from a PCB molecule?
  • 46. 
    Sunflowers were used at Chernobyl to help reduce radioactive substances from groundwater. Which method of reducing pollutants is this?
    • A. 

      Hyrdolysis

    • B. 

      Biodegration

    • C. 

      Photolysis

    • D. 

      Phytormediation

  • 47. 
    A potato will decay faster in ________  (warmer or colder) soil during the decomposition process. 
  • 48. 
    What does LD50 stand for?
    • A. 

      Lethal dose, killing 50% of population

    • B. 

      Legal dose, killing 50% of population

    • C. 

      Legal dose, with 50% of drugs

    • D. 

      Lethal dose, with 50% drugs

  • 49. 
    Some fertilizers have a fourth number and the letter "S" on the label indicating that they contain _________.
  • 50. 
    What are the 3 products of fuel combustion? Hyrdrocarbon + Oxygen= ________+_________+________
    • A. 

      CO2+H20+energy

    • B. 

      02+CO2+H20

    • C. 

      CH4+202+CO2

    • D. 

      S+NOx+energy

  • 51. 
    Natural gas that contains __________ ___________ is called "sour" gas.
  • 52. 
    • A. 

      Human drinking water

    • B. 

      Dissolved oxygen

    • C. 

      Recreations

    • D. 

      Acidity

    • E. 

      Livestock drinking water

    • F. 

      Pesticides

    • G. 

      Irrigation

    • H. 

      Heavy metals

    • I. 

      Protection of aquatic life

  • 53. 
    What are the 6 most common chemical indicators of water quality?
    • A. 

      Dissolved oxygen

    • B. 

      Heavy metals

    • C. 

      PH

    • D. 

      Pesticides

    • E. 

      Chlorine

    • F. 

      Acidity

    • G. 

      Plants nutrients

    • H. 

      Salts

    • I. 

      Turbidity

  • 54. 
    What 4 factors determine the amount of oxygen that can be dissolved in water? 
    • A. 

      Turbulence

    • B. 

      Temperature

    • C. 

      Amount of photosynthesis

    • D. 

      Carbon dioxide

    • E. 

      Acidity

    • F. 

      Number of organisms

    • G. 

      Human activities

  • 55. 
    If the pH of the water in an aquatic environment is below ___, there will not be many fish there.
  • 56. 
    What 2 ways are air quality measured?
    • A. 

      Levels of pollutants

    • B. 

      Using scrubbers

    • C. 

      Estimating amount of emissions

    • D. 

      By taking samples of oxygen levels

    • E. 

      Using a air quality thermometer

  • 57. 
  • 58. 
    What are the 3 major contaminants in the air?
    • A. 

      Sulfur Dioxide

    • B. 

      Nitrogen Oxides

    • C. 

      Oxygen

    • D. 

      Phosphorus

    • E. 

      Carbon Monoxide

    • F. 

      Helium

  • 59. 
    • A. 

      Quick movement of water

    • B. 

      Acid rain

    • C. 

      Leak from underground storage tanks and pipelines

    • D. 

      Dirty dirt

    • E. 

      Household chemicals

    • F. 

      Minerals in rocks and soils

  • 60. 
    • A. 

      Evaporate

    • B. 

      Soak into the soil and taken up by plants

    • C. 

      Biodegration

    • D. 

      Run onto streets or into a stream

    • E. 

      Dissolves substances and carries them along in the soil

    • F. 

      Waters plants, helping plants with photosynthesis