scientific method project by dr. a. davila 10/20/2010
TRANSCRIPT
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Scientific Method Project
By Dr. A. Davila10/20/2010
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Problem:
• Does the Sun affect the seasons on planet Earth?
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Hypothesis:
• I believe that the sun has nothing to do with the Earth’s seasons.
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Materials:• A worksheet to record data collected from the an
Internet valid source• Graph paper to record a broken line graph of the
duration of daylight and darkness.• Graph paper to record a bar graph of the length of
daylight of and darkness.• An internet source to validate the beginnings of each of
the seasons• Flashlight and regular graph paper• Pictures to record the changes that occur on humans
and animals during each season
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Procedures:• Daily record the sunrise and sunset data on a
worksheet which was collected from http://www.valleycentral.com/weather/
• Calculate the duration of daylight and darkness, plus record points on a graph paper, every Monday
• Graph the sunrise and sunset on a graph paper that represents the length of a day on planet Earth.
• An internet source to validate the beginnings of each of the seasons (see following slide)
• Pictures to record the changes that occur on humans and animals during each season
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Month/DaySPRING SUMMER AUTUMN
DAY-LIGHTDARKNESS
DAYLIGHT AND DARKNESS (hrs:min.)
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12 A.M.
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160008000700 110010000900060005000400030002000100
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15 30 45 15 30 45 15 30 45 15 30 45
00002400
military time
15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45
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160008000700 110010000900060005000400030002000100
12 A.M.
15 30 45 15 30 45 15 30 45 15 30 45
00002400
military time
15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45
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160008000700 110010000900060005000400030002000100
12 A.M.
15 30 45 15 30 45 15 30 45 15 30 45
00002400
military time
15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45 15 30 45
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160008000700 110010000900060005000400030002000100 DATE: ____________
SUNRISE: ____________
SUNSET: _____________
DATE: ____________
SUNRISE: ____________
SUNSET: _____________
DATE: ____________
SUNRISE: ____________
SUNSET: _____________
DATE: ____________
SUNRISE: ____________
SUNSET: _____________
DATE: ____________
SUNRISE: ____________
SUNSET: _____________
DATE: ____________
SUNRISE: ____________
SUNSET: _____________
DATE: ____________
SUNRISE: ____________
SUNSET: _____________
9/6/2010
7:1219:45
8/30/2010
7:0919:52
8/23/2010
7:0619:59
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2004 3/20 9/22 6/21 12/212005 3/20 9/22 6/21 12/212006 3/20 9/23 6/21 12/222007 3/21 9/23 6/21 12/222008 3/20 9/22 6/20 12/212009 3/20 9/22 6/21 12/212010 3/20 9/23 6/21 12/212011 3/20 9/23 6/21 12/222012 3/20 9/22 6/20 12/212013 3/20 9/22 6/21 12/21
Source:
http://aa.usno.navy.mil/
Seasons
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Results:• My hypothesis was incorrect. The sun does
affect the seasons on planet Earth. However, if the Earth was not tilted the seasons would stay the same at each location.
• For my next project, I would like to research the Earth’s tilt. Is the Earth tilted the same degrees all the time? What could possibly be causing the Earth’s tilt?
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Sources:
The sun 523.7 BIR
Birch, Robin. Published by
Berkeley Heights, NJ : Enslow in 2004
http://
www.nasa.gov/
worldbook/
sun_worldbook.html
EBSCOURL: http://search.ebscohost.com
Username: s5003051 Password: ________
Earth: Size, Computation of Time, Seasons. World Almanac & Book of Facts, 2009, p124-124, 1p, 1 Chart; Reading Level (Lexile): 1170; (AN
44742654)HTML Full Text
Science project ideas about the Sun
551.57 GAR Gardner, RobertPublished 1997
http://streaming.dis coveryeducation.com/
The Sun.BBC, 2006. Full Video.
9 September 2010. <http://www.discoveryeducation.com/>.
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