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AQ 1, AQ 2, AQ3, AQ 4. Lesson 24: Where Shall We Build? . Have you ever seen a construction site? Describe what was being done at the construction site you saw. Challenge :. Where should Boomtown construct the new buildings?. Read introduction on C-4. Introduction: . Vocabulary:.

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AQ 1, AQ 2, AQ3, AQ 4

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Aq 1 aq 2 aq3 aq 4

AQ 1, AQ 2, AQ3, AQ 4

Lesson 24: Where Shall We Build?

Have you ever seen a construction site?

Describe what was being done at the construction site you saw.

Challenge:

Where should Boomtown construct

the new buildings?

Read introduction on C-4

Introduction:

Vocabulary:

evidence, inference, landform,

marsh, observation, trade-offs, wetlands

Materials:

Procedure:

Data:

Observations before and After Construction data table

Analysis:


Scenario

Scenario

There is a need for new homes in the rapidly growing community of Boomtown. Explain that there are three possible sites being considered for construction


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Physical shapes such as hillsides, cliffs, and marshes are called:

Landforms

marshes

hillsides

cliffs


Marsh

Marsh

A marsh is an example of a “Wetland”. A wetland is an area

made up mostly of water and watery land.

A marsh is wetland area dominated by grasses.

An example of a wetland that is different then a marsh is a swamp.

A marsh is dominated by grasses. A swamp is dominated by trees.

What are some examples of local wetlands?

Smith and Bybee lake

The Columbia Slough


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The photographs in Figure 1 in the Student Book shows examples of three kinds of locations being considered—hillsides, wetlands, and seaside cliffs—both before and after construction.

These are not before and after photographs of Boomtown, since Boomtown is still in the process of deciding where to build.

In fact, none of the photographs are of the same place nor are they taken from the same perspective.


Directions

Directions

1. Each Group uses the 4-2-1 approach :

2. Students should work in pairs to study the photographs.

3. Then students will meet in groups of four to further

discuss their ideas and review their observations.

The Recorder must record the groups results

on a data table given to him/her to be shared with the

class and then turned in to Mr. Saulter

Each student will then create a data table to fill out and answer the questions at the end of the activity individually.


Marsh1

Marsh


Hillside

Hillside


Cliff

Cliff


Directions1

Directions

1. Each Group uses the 4-2-1 approach :

2. Students should work in pairs to study the photographs.

3. Then students will meet in groups of four to further

discuss their ideas and review their observations.

The Recorder must record the groups results

on a blank sheet of paper to be shared with the class

and then turned in to Mr. Saulter

Each student will then be given a data table to fill out and answer the questions at th end of the activity individually.


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.

What is the difference between scientific observations and inferences?

observations Descriptions or measurements gathered by the senses.

What we can see directly in the photographs.

We may observe that the wetlands have been filled in and have less water.

Inferences The conclusions we make based on what we see.

From this, we may infer that this has been bad for wildlife in the area

While this inference is a possibility, the only way to be certain would be to look at the actual situation and see if the wildlife has suffered as a result.


Directions2

Directions

1. Each Group uses the 4-2-1 approach :

2. Students should work in pairs to study the photographs.

3. Then students will meet in groups of four to further

discuss their ideas and review their observations.

The Recorder must record the groups results

on a blank sheet of paper to be shared with the class

and then turned in to Mr. Saulter

Each student will then be given a data table to fill out and answer the questions at th end of the activity individually.


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Sample Observations Before and After Construction


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Analysis Question 1

Marshes hills, and cliffs are three kinds of landforms.

A landform is any characteristic physical shape of the earth’s surface.

Make a list of some other familiar landforms that you can think of that aren’t mentioned in this activity.

1. valleys

2. canyons

3. plateaus

4. mountains,

5. buttes

6. mesas

7. stone arches


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Analysis Question 2

Explain how each of the following places was either changed or was not changed by the construction of buildings:

a. marsh

The marsh was changed because there is no longer any water in the area.

The ground has become solid instead of marshy.

There are no birds to be seen and the grasses and trees were replaced with species that are not originally from the area.

  • There doesn’t appear to be anything that hasn’t been changed as a result of building at this site.


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Analysis Question 2

Explain how each of the following places was either changed or was not changed by the construction of buildings:

b. hillside

The hillside was changed because the trees were cut down and replaced with roads and houses.

The earth surface has fewer peaks and valleys after building.

The area outside of the immediate area does not seem to be changed.


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Analysis Question 3

Based on what you know so far, on which site do you think Boomtown should build houses? Explain, using the observations that formed your opinion.

Example: a student might say that Boomtown should build homes on the marsh, because the marsh was unattractive and that after construction the marsh is filled in with firm soil.


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Analysis Question 4

Explain how the following information about the Delta Marsh, Green Hill, and Seaside Cliffs could help the council make the decision about where to build the new housing.

a. weather

Rainfall - heavy rain could wash away the hills or the

cliff and could flood the wetlands.

b. animals

The birds seen in the photos of the wetlands, could be endangered if the construction destroys or significantly changes the habitat needed for them to live.


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Analysis Question 4

Explain how the following information about the Delta Marsh, Green Hill, and Seaside Cliffs could help the council make the decision about where to build the new housing.

c. plants

Plants may also be endangered or at least made scarce locally.

Plants, like those found at the top of the cliff, help prevent erosion because they absorb water and because their roots stabilize the earth.


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Analysis Question 4

d. housing prices

Housing prices could go down if there is more housing available, or if the construction makes the area less attractive.

e. shape of the land

Some landforms are difficult to build on, such as a very steep slope.

Some places are not safe to build on, such as an area that will flood.


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