Name: ______

Date: ______

Strand D:

Earth & Space Science: Climate Change

REVIEW for UNIT TEST

PART A: Knowledge & Understanding

MultipleChoice - For each question in section A, select the best answer from the four alternatives.

  1. Which of these might be caused by global warming?

a.Rising sea levels.c. Expansion of Arctic ice.

  1. Falling temperatures.d. Fewer storms and less severe weather.
  1. Which of the following would have the highest albedo?

a.Aluminum foil.c. Fresh snow and ice.

b.A piece of black paper.d. Green grass.

  1. Peoples perspectives are based on

a.Their personal experience, culture and values.

b.Their bias, education and occupation.

c.An understanding of all the facts on a subject.

d.What they think will happen in the future.

  1. Why is Carbon Dioxide (CO2) considered a greenhouse gas?
  1. It destroys the ozone layer.c. It is released by living things.
  2. It traps radiation from the Earth’s surface.d. It is stored as fossil fuels.
  1. Which of following is a positive effect of climate change?
  1. Fewer crop pests.c. Higher lake levels.
  2. Longer growing seasons.d. More frequent precipitation.
  1. Which statement is true regarding climate and weather?
  1. Climate changes; weather remains the same.
  2. Both climate and weather change.
  3. Weather changes, but climate remains the same.
  4. Neither weather nor climate change.
  1. Landfills are a ______phenomenon.
  1. Naturalc. Anthropogenic
  2. Atmosphericd. Needed
  1. The North Atlantic Ocean is considered one of four world oceans which acts as a
  1. Carbon sink.c. Both (a) and (b).
  2. Heat sink.d. None of the above.
  1. The optimal humidity for humans is ______.
  1. Between 40% and 60%c. 0%
  2. 100%d. Between 60% and 70%
  1. Which of the following terms refers to planning to deal with the impacts of climate change?
  1. Adaptation.c. Carbon footprint
  2. Emergency preparedness.d. Carbon offset.
  1. The most common gas in the atmosphere is

a. carbon dioxide b. oxygen c. argon d. nitrogen

  1. Which of the following substances would take the longest to heat up?
  1. Leadb. Goldc. Waterd. Iron
  1. What method of heat transfer produces the global circulation of air and water on Earth?

a. Conduction b. Convection c. Radiation d. Reflection

  1. In Canada, fossil fuels are used for which of the following?

a. Transportation c. Production of electrical energy

b. Heating d. All of the above

  1. When air reaches dew point, the relative humidity is ______.
  1. 50% c. 100 oC
  2. Equal to the dew point. d. 100%
  1. If 50000J of heat is removed from a 3kg brick, and the brick is at 100 oC, what would the final temperature be?
  1. 60oC c. 70oC
  2. 50oC d. 80oC
  1. The weather report states that there is 11.6g/kg of water vapour in the air. What would be the dew point for this amount of water vapour in the air?
  1. 11.6oC c. -16oC
  2. 16oC d. None of the above.
  1. In Canada, average national temperatures in the last 55 years have______.
  1. decreased by 1 °C c. increased by 10 °C
  2. decreased by 10 °C d. increased by 1 °C

Identify the term that best matches the definition or description given.

a. atmosphere g. climatograph

b. climateh. biome

c. greenhouse effecti. ecozone

d. albedo j. ecoregion

e. tectonic plate k. hydrosphere

f. anthropogenic l. tropical rainforest

____ 19. a movable piece of Earth’s outer shell

____ 20. all the water on Earth

____ 21. an effect caused by human activity

____ 22. biome not present in Canada

____ 23. subdivision characterized by local landforms

____ 24. layer of gas surrounding a planet or moon

____ 25. indicates monthly precipitation, among other information

____ 26. characteristic pattern of weather in a region

____ 27. a large biosphere division

____ 28. a natural way of keeping Earth warm

____ 29. a division using Earth’s surface

____ 30. the fraction of light reflected back from a surface

Indicate whether each of the following statements is TRUE or FALSE. If the you think the statement is False, re-write the statement so that it is True.

______31. Melting sea ice and thermal expansion cause sea levels to fall.

______32. The rate of climate change will be reduced if people stop relying on power from fossil fuels and start using alternative energy sources.

_____ 33. The amount of energy Earth absorbs and the amount Earth radiates are different.

_____ 34. Since no scientist was alive to record it, we have no way of knowing what the climate was like in the distant past.

_____ 35.Convection Currents form in the atmosphere because warm air is less dense than cold air.

_____ 36. Humans are responsible for the emission of ALL greenhouse gases.

_____ 37. Burning fossil fuels releases gases into the atmosphere that affect Earth’s climate.

_____38“Weather” and “Climate” are two words that have the same meaning.

_____ 39. Global warming will cause unpredictable precipitation patterns.

_____ 40. Climate change is a global problem, so individual actions are not very important.

PART B: Thinking and Investigation

41. Is it possible to stop climate change immediately? Why or why not?

42. Write a sentence using the word “anthropogenic.” In your sentence, describe the relationship among humans, greenhouse gases and climate change.

43. Why is the greenhouse effect described as an “energy trapping” process?

44. Explain how proxy records give evidence of past climate changes. Use examples of the types of records in your answer.

45. During their spring migration in 2009, Ontario’s monarch butterfly (Figure 1) population was devastated by unusual weather conditions. Describe some other examples of how global warming is affecting other species of animals, using a method of your choice.

Figure 1: Monarch Butterfly

46.Determine the amount of heat required to raise the temperature of 1000g of Iron (Fe) from 20oC to 80oC. Show your work!

Q = ∆T = Tf–TiQ = m∙c∙∆T

m =

c =

∆T =

Or

Tf =

Ti =

47. Briefly explain the difference between a meteorologist and a climatologist.

48. Define Precipitation and list the four types:

PART C: Applying what you know

49. A sample of air has 31.2g/kg of water vapour and the temperature is 32oC. (Be sure to use the correct formula and show all your work!)

(a). Determine the Relative Humidity (RH) for the situation above:

(b). Based on the answer to (a), explain what would happen if the situation above was referring to your bathroom after a nice hot shower.

eather and Climate are two words that have the same meaning.affect Earth'y sources.
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