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Oil Clean Up

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Subido el 28 de mayo de 2007 por EducaMadrid

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Tenth segment of the Ocean Odyssey contains the Hands on Activity, in which students simulate an oil spill and try to clean it up in different ways.

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I'm Jacqueline and this is Devin. We're Mrs. Dunn's fourth grade class. 00:00:00
Hi. We saw on the NASA Sci-Fi Kids Club website that you're working on an experiment to clean up an oil spill. 00:00:06
What kind of oil did you spill? 00:00:11
It's not a real oil spill, but a simulated one. 00:00:13
We used vegetable oil and cocoa powder and mixed it together to make an environmentally friendly oil. 00:00:16
That's a good idea. Crude oil, such as motor oil, can be damaging to the environment, even on a small scale. 00:00:21
Exactly. Next, we made our own mini ocean by pouring 5 milliliters of salt into a shallow aluminum pan full of water. 00:00:28
Then, we slowly poured our oil on top of the water in the pan. 00:00:35
What happened? 00:00:39
Because oil is lighter than water, it spreads out and floats on top. 00:00:40
It looks kind of pretty with rainbow colors, but it isn't so pretty when we try to clean it up. 00:00:44
What do you use to clean it up? 00:00:49
We are trying a variety of things, such as absorbents, skimmers, and detergents. 00:00:51
What are absorbents? 00:00:56
Absorbents are materials such as straw, sawdust, and peat moss used to absorb the oil off the top of the water. 00:00:58
So, did the absorbents help clean up the oil? 00:01:04
Not very well. We still have a lot of oil left, and it's very messy. 00:01:06
Next, we are trying spoons to simulate skimmers, which are bowl-shaped devices used to skim the oil off the top of the water. 00:01:10
Does that work better than the absorbents? 00:01:19
No, and we didn't get much oil either. 00:01:21
Last, we are trying detergent. That works much better. 00:01:23
The oil immediately moves and forms gobs, but a lot of detergent wouldn't be good for the environment. 00:01:26
That would turn into one big bubble bath. 00:01:32
So, what did you conclude with your experiment? 00:01:34
We concluded that there is no easy way to clean up an oil spill, but the best thing is to prevent them from ever happening. 00:01:36
I agree. Thanks for sharing your experiment with us. 00:01:44
You're welcome. 00:01:47
Goodbye from Macy's Science Class at Key Largo School in Key Largo, Florida. 00:01:48
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Idioma/s:
en
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:
583
Fecha:
28 de mayo de 2007 - 15:34
Visibilidad:
Público
Enlace Relacionado:
NASAs center for distance learning
Duración:
01′ 58″
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:
12.04 MBytes

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