http://learn.genetics.utah.edu/content/begin/cells/scale/
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31 comments:
They provided a lot of object, some of which I didn't know what they were, to compare from the size 12 font to the carbon cell. It got smaller and smaller and smaller. It was cool how in the upper-left corner, they had the measurements, so you could actually see how far you zoomed in.
This was really interesting. I loved the effect they used to zoom in on each thing such as water molecules and carbon atoms. It gave a really good idea of how small, small is! I think we all knew that atoms and molecules were small, but I never thought how small that actually was. I loved how it showed a measurement table in upper left corner so you could see from a different view how small each thing got. This would be really great to use in a class because it is simple yet gives a lot of necessary details. Also, each molecule, cell, atom and everything was very well illustrated.
I thought that this was really cool. I thought that it was fascinating that they started with a coffee bean and went all of the way down to a carbon atom. I liked this activity. I never knew how small things really are!!! I liked that you could see the measurements in the corner, so you knew how far in you zoomed. I learned a lot from this activity!!! When you think about it... a coffee bean is huge!!! Everything was very clearly explained, ad it was easy to figure out!
I knew almost all the objects and I thought it was cool to see the size relationship between all the stuff there. Thanks so much for posting this, Eliott! I always thought while I was watching it, OK, this is really small, now THIS is tiny, etc.. I thought it was really cool, that it said at the bottom, how some cells are visible with the unaided eye! It was cool how it said what all the abbreviations stood for. My favorite word there was picometer (10^-12 meter!). I agree with Maya, the grid at the top left corner really helped me. By the way, if you didn't notice, the water atom is smaller than a carbon atom (275 picometers or pm).
This is REALLY cool!!!!!
I thought that this was a very good scale. It showed a ton of things and was really cool to use. Its incredible how, when you look at the gris in the corner, you see how deep your going and how small the objects really are. I thought that this scale was very interesting.
I really liked seeing the size of chromosomes and other things that we can't see. I also liked seeing the carbon atom… it was big on the screen. The only problem is that I wish the figures looked more realistic, at least by color, so that you could get a sense of what the atom looked like.
I really liked seeing the size of chromosomes and other things that we can't see. I also liked seeing the carbon atom… it was big on the screen. The only problem is that I wish the figures looked more realistic, at least by color, so that you could get a sense of what the atom looked like.
I loved this post for 2 reasons.
1. It was mine.
2. You can really learn a lot just by this little scale.
It shows how small things can get in a very well put way, starting with a coffee bean and ending with a carbon atom.
sorry I posted two of the same comments…
I thought that this was really interesting. It started with relatively "small" things like a coffee been to really small things like a rhino virus to really really really really really small things like a carbon atom. I also liked that they gave their size too!
Wow that was so cool. If you think about it a coffee bean is rly small and now comparing that to the star size comparison elliot posted last time you think how big and small things can get and how we are very small in some terms (stars) and very big in some terms (carbon cells). I thought this was very interesting.
I thought that this was a interesting scale, but it could have started larger. I also thought that it would have been interesting to see the size of an electron, smaller than an atom. I also thought it would have been better if it had told you what "nm" and "nµ" meant, I think that "nµ" means nanometer, but I am not sure.
I agree with ben, I thought that this scale was AWESOME, BUT I wished that they started off from a bigger object. My favorite part about this scale was that it started from a coffee bean!!! Before I saw this scale, I thought a grain of salt was small. Now imagine something smaller than a grain of salt. It's so awesome.
My favorite part of this was that they compared everything to a coffee bean.
I agree with you Kent. I also agree with Brandon F. on how it was interesting to watch.
That was absolutely mind-boggling! :3 Very interesting how they zoomed in and told you just how wide everything was. I also thought it was cool how they made it seem like the biggest small organism (I know it's a bit confusing) was the smallest of all, but really the smallest one was a carbon atom. Very fun and intersting! :] :3 x3
I wasnt sure what a lot of the things were, but I still found it very interesting. It was funny to see how HUGE a grain of rice was to some of those other things. What was the smallest thing there?
I thought that this was a great article. I also loved the zooming tool because it showed you how small some things are. They must have had to do a whole lot of math to measure how big a human egg or an atom is. I would have never thought that atoms and molecules would be that small.
Once again I thought this was really cool! It started at Times Regular, size 12 font, to a carbon atom!! HOW COOL!!!! Thanks Elliott for posting this AWESOME article!
This must have taken a LOT of work to get all of the sizes and compare all of them and put them in order. But it DEFINITELY paid off! This was an AWESOME comparison chart!
I thought it was very interesting to see how small something can really be. I used to think that a grain of rice was small, but now it seems huge.
I must say, this was pretty impressive. They put all of the basic things on here. I didn't know how small one granule of baker's yeast was! And I didn't know that a grain of rice was actually 8 mm!
From that activity, I learned that a coffee bean is eight times the size of a carbon atom. That was a really cool interactive exercise.
This is soooo coool ! I mean now I can see that even a sugar crystal is only half a milimeter! Actually I thought it was smaller. Like Brandon F said, I liked the upper left corner thing. I like how it all leads to the carbon atom, at least 100 times smaller than just a sugar crystal! I loved this.
Sophia, I think the smallest thing was a carbon atom. I might be wrong though...
Wow!! This provided a lot of information! I Congratulate Elliot for finding this activity! As Danielle said, a coffee bean is huge!!
This was pretty cool and I loved how they showed you how far you zoomed in and what each measurement was. The one thing that was confusing was if the water molecule was 275 picometers why did the zoom end on the carbon atom which was 340 picometers?
I wonder how many microscope lenses we would need to see a carbon atom.
I couldnt see a lot of it, and how does a grain of salt look THAT BIG to anything! (the mitochondrion looked funny :) hah right? )
I liked to try and keep track of where the smallest thing was, and then i just lost it
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