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System Diagrams Activity - Contenido educativo

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Subido el 28 de mayo de 2007 por EducaMadrid

279 visualizaciones

NASA Connect segment involving students in an activity that is an introduction to systems. The video explores earth systems and the global water cycle.

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NASA Connect asked us to show you this program's activity. 00:00:00
It's an introduction to systems. 00:00:04
You can find the activity in the educator guide, 00:00:07
which can be downloaded at the NASA Connect website. 00:00:09
Here are the main objectives. 00:00:12
Students will be able to one, model a familiar Earth system 00:00:15
by using standard system symbols. 00:00:19
Number two, evaluate the global water cycle 00:00:22
by comparing it to a working model. 00:00:25
In the activity, you will be asked 00:00:29
to create a system diagram or flow chart of one 00:00:31
of the Earth subsystems you identified earlier 00:00:34
in the program. 00:00:37
Here is an example of how to create a system diagram. 00:00:38
Class, let's model how to represent 00:00:42
soil being warmed by the sun. 00:00:45
Follow along with me using your journal. 00:00:47
Students that have personal digital assistants, or PDAs, 00:00:50
should use PicoMap to draw their system diagram. 00:00:53
The sun is considered the source. 00:00:58
Soil is the destination. 00:01:02
Heat energy flows from the sun to the soil. 00:01:07
Class, what factors might affect how much heat energy 00:01:17
is absorbed by the soil? 00:01:20
Kyle? 00:01:23
Seasons. 00:01:23
Great answer. 00:01:25
Anyone else? 00:01:26
Abby? 00:01:27
Clouds and time of day. 00:01:28
Good answer, Abby. 00:01:30
Seasons, clouds, and time of day all 00:01:31
affect how much heat energy is absorbed by the soil. 00:01:34
Other conditions include land cover 00:01:38
and atmospheric conditions. 00:01:41
Using circles to represent conditions or factors that 00:01:43
might affect the system, let's add the three factors. 00:01:46
Seasons, time of day, and clouds. 00:01:49
After your teacher completes the model example, 00:02:03
you will gain more experience with system diagrams 00:02:05
by completing a system diagram or flow chart for one 00:02:09
of your systems you listed while watching this program. 00:02:12
Students, please take a moment to review 00:02:15
this program. 00:02:17
Students, you are strongly encouraged 00:02:18
to develop your own symbols or representations. 00:02:20
Be prepared to write a short paragraph 00:02:23
summarizing your system. 00:02:26
Now you are ready to take on the challenge of developing 00:02:28
a system diagram for one of Earth's subsystems. 00:02:31
You will work in groups to read the technical passage, 00:02:34
The Global Water Cycle, which is located in the educator guide. 00:02:37
To help you visualize the water cycle, 00:02:41
you can download a great picture at the United States 00:02:44
Geological Society website. 00:02:47
Or you can access a wonderful animation of the water cycle 00:02:49
at the following website. 00:02:52
Using your own symbols, create a systems diagram 00:02:54
for the Global Water Cycle as described 00:02:57
in the reading passage. 00:03:00
Students, don't forget to label your sources and destinations 00:03:01
and label the direction of the flow. 00:03:06
Have one or two groups share their diagrams and explanations 00:03:08
to your class. 00:03:12
Finally, students, you can evaluate 00:03:13
other groups' system diagrams 00:03:16
using the activity-specific scoring tool 00:03:18
that can be found in the educator guide. 00:03:21
Special thanks to the AIAA, 00:03:23
student branch from George Washington University, 00:03:25
for helping us out on this activity. 00:03:28
Thanks, we had a great experience. 00:03:30
And we encourage teachers to visit our website 00:03:33
to learn more about the AIAA Mentorship Program 00:03:34
in your area. 00:03:37
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Idioma/s:
en
Materias:
Matemáticas
Niveles educativos:
▼ Mostrar / ocultar niveles
      • Nivel Intermedio
Autor/es:
NASA LaRC Office of Education
Subido por:
EducaMadrid
Licencia:
Reconocimiento - No comercial - Sin obra derivada
Visualizaciones:
279
Fecha:
28 de mayo de 2007 - 16:52
Visibilidad:
Público
Enlace Relacionado:
NASAs center for distance learning
Duración:
03′ 39″
Relación de aspecto:
4:3 Hasta 2009 fue el estándar utilizado en la televisión PAL; muchas pantallas de ordenador y televisores usan este estándar, erróneamente llamado cuadrado, cuando en la realidad es rectangular o wide.
Resolución:
480x360 píxeles
Tamaño:
21.98 MBytes

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