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Soil Temp Survey

Group Members:

Phillip Lewis, Michael Bruno, Sierra Harbaugh, Megan Bokros, Nick Bachmann

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Research Question:

Does soil temperature vary by location on the school grounds?

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Hypothesis:

The warm soil will be found in sunny, dry areas. The coolest soil will be a moist shaded area.

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Independent Variables:

Locations that were measured

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Dependent Variables:

The Woods

Temperature

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Controls:

Same time and area, same thermometer foot away from each measurement, school grounds, all the way in.

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Materials:

Thermometer, ruler, worksheet

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Location

1

3

2

4

5

6

7

8

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Methods

We placed three thermometers in the ground in the shape of an isosceles triangle in various locations. Each thermometer was placed 12 inches apart from each other. They were placed in warm soil, sunny, and cooler areas.

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Data Collected:

Location #

Location Description

Reading 1

Degrees C

Reading 2

Degrees C

Reading 3

Degrees C

Average

Degrees C

1

Woods 1

11.4

10.8

10.8

11

2

Hay stack

1.0

9.7

9.8

9.5

3

Covered leaves

13.5

12.7

13.6

15.1

4

Shade by school

13.6

13.6

9.95

13.26

5

Sunny by school

12.0

12.4

12.2

12.3

6

Football field

13.7

17.7

13.1

12.2

7

Grass by road

10.1

10.1

10.2

13.2

8

Tree line

10.1

9.7

9.8

10.1

9

By dumps

13.0

12.8

12.6

12.8

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Experimental Error

-The thermometer could have gave us a false reading

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Conclusions

3

warmest

2

Coolest