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H2Oh No!

Teacher's Guide

Answer Key

Explore the Water Cycle

Here are the correct answers for the water cycle matching activity:
A=precipitation
B=evaporation
C=condensation
D=infiltration
E=groundwater storage
F=runoff
G=freshwater and ocean storage

Look at the plans for the Mega Mall

The following are things that were intentionally designed, and things that we hope students will notice on the maps.

  • In the city of Bayville:
    • There are three parks—one large, and two small. There is no more green space.
    • The Dwight River runs through the city. It divides the city in two.
    • The Dwight Park is right on the banks of the Dwight River.
    • There are three bus lines. None go to the park or to the Greenpoint neighborhood.
    • There are a lot of shops in the downtown area of the city. There are not a lot of shops in Greenpoint or anywhere above the Dwight River.
    • There is one major highway in the city, which has two branches to take cars across the river.
  • In the proposed mall map:
    • The mall will take up most of the park.
    • There is not green space slotted for the site. It is all impervious.
    • The mall is only one story tall.
    • There is one new road, and several connector loops will be added to allow people to get to the mall.
    • There is no public transportation to the mall.

Write to the Producers

When writing to the producers, students craft their responses based on whatever information they’ve culled from the activity. We’ve included a list of some of the points that we conveyed in the activity, to help you assess what students have learned.
1) Why are some people against the Mega Mall being built?

  • The mall will destroy Dwight Park, whose vegetation serves as a buffer to the Dwight River, filtering the water and slowing down the rate of runoff.
  • The pervious surfaces will be replaced by impervious surfaces, which don’t allow rain to infiltrate, and thus contribute to polluted storm water runoff.
  • There is no public transportation to get to the mall, so people will be forced to drive there. This may increase the amount of toxic fumes, petroleum byproducts, and other waste associated with car traffic.
  • New roads will have to be built to make the mall accessible. This increases the amount of impervious surface in the city and encourages more traffic.
  • Bayville doesn’t have many green spaces, and if Dwight Park is razed to build the mall, the amount of green space will be significantly reduced.
  • Because the mall is only one story tall, it takes up more space than a multi-level mall would. The more space the mall takes up, the more park space that has to be destroyed.

2) Why are some people in favor of the Mega Mall being built?

  • The mall meets an economic need that the city has. It creates jobs for people.
  • The mall makes shopping more convenient for those people who live farther away from the central downtown shopping area.
  • The mall provides a place for kids to hang out.

3) What kind of an impact do you think the Mega Mall will have on the Dwight River?

  • Because of the huge decrease in vegetation and soil, more storm water runoff will get into the river.
  • Due to the increase in car traffic, more of runoff will probably contain toxic substances (like oil, carbon monoxide, car brake shavings, rubber and petroleum from deteriorating tires, etc.).
  • The river could experience more flooding, due to the increase in runoff.
  • The banks of the river could experience erosion, due to the increase in runoff.
  • The level of available groundwater in aquifers in or around Bayville could get lower, because less rain water will infiltrate into the ground (due to the absence of pervious surface).
  • The fish in the Dwight River may experience more problems, such as an increase in cancerous tumors, due to increased polluted runoff.

4) What would you suggest that the producers talk about and show about this issue on the mini-series?

 

PDA Response Rubric

Use this rubric to help you assess students’ responses to the PDA questions.

3

  • Offers well-substantiated answers that pull information presented throughout the interactive and that draw from relevant prior knowledge. Most of the points that appear in the “write to producers” section of the answer key are in the student’s response.
  • A recommendation is made about whether to include the story in the mini-series.
  • Few spelling or grammatical errors appear.

2

  • Answers pull in information that was presented throughout the interactive, although only a few of the points that appear in the “write to producers” section of the answer key may be included in the student’s response.
  • A recommendation is made about whether to include the story in the mini-series.
  • There may be several spelling or grammatical errors.

1

  • Answers may be based on students’ own arbitrary opinions, without being based on any information presented in the interactive or without drawing from relevant prior knowledge.
  • A recommendation is made about whether to include the story in the mini-series.
  • There may be numerous spelling or grammatical errors.

0

  • Answers are either not given, or they are not substantiated by any relevant information.
  • No recommendation is made about whether to include the story in the mini-series.
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