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Transcript
A Year at Howard High
School of Technology
John D. Shaw
Funded by National Science Foundation Graduate Teaching Fellows Program
in K-12 Education (GK-12) DGE 0538555
Our Team
Graduate Fellow
John Shaw
Physics and Astronomy
University of Delaware
+
Teacher
Dr. Ralph May
Chemistry and Integrated Science
Howard High School of Technology
Goals
• Develop innovative methods to convey
ideas and scientific method.
• Emphasize universal nature of physical
laws.
• Emphasize data taking and analysis.
• Emphasize deductive reasoning to
generate predictions.
• Stimulate independent thought and
research.
Example Projects
• The Rotation of the Sun
– A Project CLEA computer based lab adapted
for use in NCCVoTech.
– Students observe real images of the sun and
follow sunspots over several days
Example Projects
Example Projects
• The Rotation of the Sun
– Learn to take and
analyze data.
– Repeat observations
for accuracy.
– Compute synodic
and sidereal
rotation.
– Importance of taking
observing point into
account.
– Discover different
rates of rotation
depending on
latitude.
Example Projects
• The Moons of Jupiter
– A Project CLEA computer based lab.
– Students observe simulated images of the
four Galilean moons of Jupiter.
– Measure the distances from Jupiter and
periods of orbits by fitting sine curves to data.
Period
Maximum Distance
West
Distance from Jupiter
Period
Period
Maximum Distance
East
0
90
180
270
360
0
ө
Example Projects
• The Moons of Jupiter
– Find mass of Jupiter by using Kepler’s Third
law: Mass =(distance)3/(period)2.
– Extend to Earth – moon system, and other
bodies in the solar system.
Example Projects
• Scale Model of the Solar System
– Students calculate distances and planet/moon
sizes if the Earth were 1 cm, 1 inch or 1 foot in
diameter.
– Plot orbits on 40”x36” map of Wilmington.
– Determine location of planets today and plot.
– Compute and plot location of planets in one
years time.
Example Projects
• Scale Model of the Solar System
Example Projects
• Scale Model of the Solar System
A Quantatative
Prediction!
Where a planet
will be observed
in the future
based only on
knowing how
far a planet is
from the sun
and where it is
observed to be
now.
1 foot scale Earth – Orbits of Mercury, Venus and Earth
Other Duties
• Assist with
Chemistry lab
experiments
• Observe student
successes and
problems with
traditional studies
and new projects.
Conclusions
• Use of “hands-on” materials were most
effective in conveying ideas.
• Greatest problems are engaging students
and students’ false preconceptions.
• Improved my ability to better communicate
scientific knowledge and my own research
to a broad audience.