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Energy Needs Activity - Contenido educativo

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Subido el 28 de mayo de 2007 por EducaMadrid

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NASA Connect Segment involving students in an activity that estimates average daily energy needs. The video also explains BMR and other vocabulary relating to energy.

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In this activity, you will estimate your average daily energy needs. 00:00:00
We measure energy in calories. 00:00:07
To help RJ figure out his energy needs, you have to calculate his baseline calorie need, 00:00:14
also called basal metabolic rate or BMR. 00:00:22
BMR is estimated based on gender, age, height, and weight. 00:00:29
You will work from the baseline energy needs handout and the total energy needs handout, 00:00:38
which can be found in the educator's guide. 00:00:44
The BMR value for men, well, in this case, RJ, can be calculated using the following equation, 00:00:47
where W is the weight in kilograms, H is the height in centimeters, and A is RJ's age. 00:00:54
The BMR equation for women is different than men, but it's also based on weight, height, and age. 00:01:02
By substituting RJ's weight, height, and age into the BMR equation, 00:01:09
the students estimated RJ's BMR value to be 1,645. 00:01:14
This is his baseline energy need. 00:01:20
Now, if we factor in his exercise level, the baseline value needs to be adjusted. 00:01:23
Because RJ is trying out for the cross-country team, his exercise level should be high, 00:01:29
meaning he is using a lot of energy. 00:01:34
From the total energy needs handout, we can adjust RJ's BMR value by multiplying 1,645 and 1.9. 00:01:37
The exercise level adjustments are found in the handout. 00:01:47
It looks like the total estimated energy needs for RJ is 3,125 calories per day. 00:01:50
Good luck to you, RJ! 00:01:58
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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:
427
Fecha:
28 de mayo de 2007 - 16:51
Visibilidad:
Público
Enlace Relacionado:
NASAs center for distance learning
Duración:
02′ 03″
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:
12.50 MBytes

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