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The Invention Process

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Subido el 28 de mayo de 2007 por EducaMadrid

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NASA Sci Files segment exploring the invention process and the steps you take to solve a problem.

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Hi, Dr. D. 00:00:00
Hi, kids. What's up? 00:00:03
We want to become great inventors, but we don't know where to start. 00:00:05
Can you help us? 00:00:08
How do you get an idea for an invention? 00:00:10
Hold on. Take this one step at a time. 00:00:12
The first thing you have to understand is the invention process. 00:00:14
Is that anything like the scientific method? 00:00:17
Very similar. 00:00:20
Scientific method, you start by identifying or recognizing a problem. 00:00:21
In the invention process, you begin by identifying a need or want. 00:00:31
A list of things that annoy or frustrate you is a starting point. 00:00:34
You might call this a bug list. 00:00:37
I know lots of things that bug me, like my sister. 00:00:38
Let's take an example that you're bugged because you're always losing your portable CD player. 00:00:41
The next step in the invention process is to think of solutions to the need or want. 00:00:45
That sounds a lot like the second step in the scientific method. 00:00:49
An idea would be to paint the CD player a bright color so that you can see it easily. 00:00:53
I like the idea to have a beep when you clap your hands. 00:00:57
You're really getting into this now. 00:00:59
Once an inventor has a list of possible solutions, 00:01:01
the next step is to evaluate each one to decide which one to develop. 00:01:04
Maybe we could choose the cheapest one. 00:01:08
Or maybe we could choose the one that we can make by ourselves. 00:01:10
Yes, once you have standards or criteria, it helps to be able to judge amongst the possible solutions. 00:01:14
You can then do research to narrow it down. 00:01:19
The next step is to make a model and test it. 00:01:21
That's like testing the hypothesis. 00:01:23
That's right. 00:01:25
So if we use the bright color, we have to test it to find out which color worked best. 00:01:26
I'll bet inventors alter and improve their models as they test it. 00:01:31
Just like we have to modify our hypothesis if it doesn't match the data. 00:01:34
You guys are really getting good at this. 00:01:38
Try to keep an accurate record of your entire process. 00:01:40
It's really important. 00:01:43
It's like keeping a science journal. 00:01:44
Well, I saw a design log on the National Wildlife Fund's website. 00:01:46
It should help us keep track of our ideas and progress. 00:01:49
I'm sure we'll find plenty of cool ideas to put on our bug list. 00:01:53
Or our yeety list. 00:01:56
Wait a minute. 00:01:58
Something that I really need. 00:01:59
I'm trying to find a really great way to show the scientific principle of inertia. 00:02:01
Isn't inertia something about objects at rest staying at rest? 00:02:05
Yes, that's pretty good. 00:02:08
It also explains that objects in motion remain in motion unless a force acts upon them. 00:02:10
I'll use the bowling ball to explain the part about staying in motion. 00:02:14
But I want to find a more exciting way to do it. 00:02:17
How can we help? 00:02:19
Why don't you think of some possibilities and we'll talk about it later. 00:02:20
Hey, I've got an idea for you. 00:02:23
Why don't you take out the National Gallery of Young Inventors 00:02:25
and see who's been inducted into the Inventors Hall of Fame this year. 00:02:27
Let's use your computer, Dr. D. 00:02:30
Go right ahead. 00:02:32
I read about someone named Lindsey Clement from Longview, Texas. 00:02:33
She's been inducted into the National Gallery of Young Inventors. 00:02:37
Let's contact her and ask her about her invention. 00:02:40
Hi, you must be Lindsey Clement. 00:02:45
We're the Treehouse Detectives and we wanted to ask you about your invention. 00:02:47
Sure. 00:02:50
Exactly what does your invention do? 00:02:52
This is a gumball machine. 00:02:54
It helps pick up sweet gumballs in my backyard. 00:02:56
How does it work? 00:02:58
As you push the machine forward, 00:03:00
these mesh wheels grab the gumballs and carry them around to the front 00:03:02
where they are collected in this basket. 00:03:06
How did you come up with the idea for your invention? 00:03:08
Well, I was at the driving range with my dad 00:03:11
and I saw the golf ball collector card picking up the golf balls 00:03:13
and I figured if it worked for golf balls, why couldn't it work for gumballs? 00:03:17
That's cool. 00:03:20
What did you do first? 00:03:22
Well, first I started drawing to see what it might look like 00:03:24
and then I started building. 00:03:27
What was the most difficult part? 00:03:29
Probably finding something that would actually pick up the gumballs. 00:03:31
I experimented with lots of different materials 00:03:34
until I finally came up with wire mesh. 00:03:36
That's great. 00:03:39
We're trying to make our own invention. 00:03:41
Do you have any advice? 00:03:43
If you have anything that you think might solve a problem 00:03:45
or help fix something, stick with it. 00:03:47
Be willing to try new things if they don't work. 00:03:49
And design and test your ideas. 00:03:52
You really have nothing to lose. 00:03:54
Especially when you end up being inducted 00:03:56
into the National Gallery of Young Inventors. 00:03:58
Maybe we'll be there one day. 00:04:01
What an honor. Congratulations. 00:04:03
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Idioma/s:
en
Niveles educativos:
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Autor/es:
NASA LaRC Office of Education
Subido por:
EducaMadrid
Licencia:
Reconocimiento - No comercial - Sin obra derivada
Visualizaciones:
278
Fecha:
28 de mayo de 2007 - 15:33
Visibilidad:
Público
Enlace Relacionado:
NASAs center for distance learning
Duración:
04′ 05″
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:
24.59 MBytes

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