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Now when my two boys and girls to listen I love your songs ladies bring you another let's find out. Hello boys and girls. Well look at all of our helpers today. Helpers. When you sit down until we're ready for you. Thank you. We won't need you up on your feet for a little while so sit down and be comfortable. Does each of you know your name for today. Well good for you. One of you has the name son and nine of you have the name of the planet. What is a planet. Do you know. Our earth is a planet. And the earth on which we live is
ball shaped. Nearly bulgy our Earth travels around the sun. Our Earth reflects the sun's light just as a mirror might do. It has no light of its own. Our earth is a planet. Now there are eight other planets that we know about that are ball shaped that travel around the sun that reflect the light from the sun and have no light of their own. When we see one of the other planets in the night sky it looks very much like a star. It shines very brightly because it is reflecting the light from the sun. A planet is a ball shaped body of rock that travels around the sun. Now before we do anything else let's look at the balls you have there on the table.
The ball will help us to think about the planet. Do you have five balls. Are they all the same size. The ball shaped planets are not the same size either. Of course there are hundreds and hundreds of times bigger than the ball there. But your good scientists and good scientists can use their thinking caps campaign. I thought Phil. Let's see if the balls will help us to find out that the planets are not all the same size. Jupiter where are you. Stand up Jupiter. Jupiter pick up the biggest ball that you have there on the table. Have you got it all right now hold it up so we can all see it now. If the sun were a ball oh even bigger then your whole room there. Then Jupiter would be just
about as big as the ball you were holding. All right when you stand still and hold the ball. All right Saturn where are you. Saturn stand up beside Jupiter Saturn is almost as big as Jupiter. Not quite but almost. So you'd be just about the same size as Jupiter and the ball that he's holding Now where is Neptune. Neptune pick up the next biggest ball of the softball or whatever else you have there the the next biggest. Right now go over there and stand beside Saturn. If Jupiter were a big as the ball he or she is holding then Neptune would be about as big as the ball you were holding. So you're the next size planet stand it. Are you over there beside Saturn right now. You're in this. Where are you.
You're in this stand up beside Neptune Uranus. You're almost as large as Neptune. Not quite but almost. So you'd be just about the same size as the ball of Neptune is holding. Now let's see where is Earth Earth when you pick up the next biggest ball and go over there and stand beside Uranus. Earth would be just about as big as the ball earth is now honing. If the other planets were big field ball they're holding. All right Venus you're next. Stand beside earth. You are about as big as Earth but not quite. Almost though. And next is Mars Mars where you pick up the next biggest ball and we get it all right now go over there and stand beside earth our stand beside Venus I should say the
planet Mars would be just about the size of the ball you were holding mine. All right now let's see who left. Oh yes Mercury. When you pick up the marble please and stand beside Mars. Mercury you would be about as big as the marble if all the other planets were as big as the balls that they're holding. Because that little tiny model where you hold it between two fingers so we can see how big it is. Not very big. You are the smallest of the planet. We think Pluto. Where are you. All right go over there and stand beside my eyes Bruno. We don't know exactly how big you are. But sometimes scientists think you're just a little bit smaller than Mercury and some think that you're just a little bit bigger than Mercury. The reason we're not sure of your size is because you are so
very very far away. Stay Are you standing beside Mercury. All right now son you are so busy we couldn't find a ball to represent you. We would have had to have a ball bigger than your whole room. Just think of a ball that big sunk your ball shaped to like your very hot. You give off light. It is your life that all the planets reflex. That's how we're able to see them in the sky. Well let's look at the planets again. Jupiter is the largest one. Saturn is almost as big. Then comes Neptune and Uranus which are about the same size. Then Earth and Venus which are about the same size
then Mars smaller than Earth and Venus and then mercury which is the smallest one of all. And last Pluto. And we're not real sure about how big Pluto is but we know you're not much bigger. Or maybe a little smaller than MA. All right planets where you sit down again please put the ball back on the table and sit down. Son you stay up there we all need you please stand up now a different of the room. And when you stand somewhere near the center of the front of the room and face the children in the room please. We all need room for the planets to walk around you so you stand up there in a clear space. Now each planet travels around the sun in its own path. Each one stays in its own black path and doesn't get out of it at all doesn't bump into anything else.
It seems as though each one has a railroad track on which it's running around the sun but of course there's no drag. The sun. Are you up there son. All right no not today we're going to ask the sun to stand still really the sun isn't standing still it's moving turning around itself and moving through the space out there. But today we're going to asks understands still. All right. Are you standing still son. Good. Now the planet that is closest to the sun is mercury Mercury will you stand beside the sun. Hop up there we have to hurry. All right now walk around the Sun Mercury keep on walking until we can you just stop very close to the sun and walk slowly please. All right Venus your the next planet to the sun. When you go up and walk around the sun outside of mercury
are you both going in the same direction. Well be sure you are because all the planets move around the sun in the same direction. Now two planets are moving around the Sun Mercury and Venus stop walking and rest while we find the next planet. Now the next planet to the sun are from the sun is Earth Earth where you go up there and stand beside beingness. You are the next planet from the sun. Now all three of you walk around the sun. Stay in your own path. You know for bumping into anyone are crossing over. All right. Now you stop again. Now we have mercury on the inside. And then Venus and then earth and then the next planet is mon Mars go up and stand beside earth. Now there are four of you up there on there. All right stand still just a minute let's get another one up. Stay on the outside now Mars don't go in the crossover.
This time we want the big giant Jupiter to go up and stand beside mom. All right now are you all up there in a line from the sun. All right all walk around very slowly walk go around this. All right now we have five planets walking around the sun walk slowly. You get your you have a bigger circle to walk then any of the other planets haven't you regularly is closest to the sun and Mercury's path is not very long. All right let's everybody stop again. Now out beyond Jupiter comes Saturn Saturn go up and stand beside Jupiter. That makes six and let's see who's next. Oh you're in ISS next. You're nuts go up and stand beside them. Set it beside Saturn. Yes. All right you're the next one. Right now. Next is Pluto Pluto you go up there please
stand. And then the last one is Pluto. Now are we. Let's think. Are we right. Is Mercury on the inside. Mercury on the inside closest to this and Pluto is the farthest away so you're on the outside all right now. Very slowly everybody steps with short steps and in the same time let's move slowly around the sun so we can see what happened. Step like this ready go one lot right left right left right left right left right right now right yeah right where you are don't move. Are you all still in a straight line. Well you shouldn't be because it takes Pluto a much longer time to get
around the sun than it does mercury Mercury has a little tiny circle to move in and Bhutto has a great big one. When you think about the planets. When you tried this again we can't see all of the planets. Even with a big telescope in the sky. But now you know how they are from the sun in what number they are. Mercury is closest and Pluto is farthest away. Can you remember how the others go when you think about that. And what do you look for planets in the night sky. All right I want. Doubt already night in the studios of St. Louis more of
Series
Let's find out, grade 2
Episode
Planets
Contributing Organization
University of Maryland (College Park, Maryland)
AAPB ID
cpb-aacip/500-dr2p9h5r
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Description
Episode Description
This program seeks to educate children about the planets in our solar system.
Other Description
In-school series produced for release in Fall 1960.
Broadcast Date
1960-01-01
Topics
Science
Media type
Sound
Duration
00:14:22
Embed Code
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Credits
: KSLH
AAPB Contributor Holdings
University of Maryland
Identifier: S60-13-8 (National Association of Educational Broadcasters)
Format: 1/4 inch audio tape
Duration: 00:14:30?
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Citations
Chicago: “Let's find out, grade 2; Planets,” 1960-01-01, University of Maryland, American Archive of Public Broadcasting (GBH and the Library of Congress), Boston, MA and Washington, DC, accessed October 23, 2021, http://americanarchive.org/catalog/cpb-aacip-500-dr2p9h5r.
MLA: “Let's find out, grade 2; Planets.” 1960-01-01. University of Maryland, American Archive of Public Broadcasting (GBH and the Library of Congress), Boston, MA and Washington, DC. Web. October 23, 2021. <http://americanarchive.org/catalog/cpb-aacip-500-dr2p9h5r>.
APA: Let's find out, grade 2; Planets. Boston, MA: University of Maryland, American Archive of Public Broadcasting (GBH and the Library of Congress), Boston, MA and Washington, DC. Retrieved from http://americanarchive.org/catalog/cpb-aacip-500-dr2p9h5r