Sunday, April 12, 2020

An “Egg-cellent” Experiment

I thought it would be interesting to find something in Access Science I could do at home. I found one using eggs, however of the three experiments only one was something I thought I could do… I could cook an egg in alcohol (rubbing), which is why it is not edible or get an egg to bounce using vinegar or turn the whites of an egg green. (I had thought it might be the yolk to turn green ala “Green Eggs and Ham”, but no.} Red cabbage is used for that experiment.

 

The experiment As I did not have any red cabbage or rubbing alcohol, I went with the bouncing egg. I did have vinegar and eggs and a glass. It will take 24 hours for the shell to become soft enough. Here goes. I had to improvise as I do not have a clear glass, so went with a small bowl. I still think it should be fine. The egg bubbled just like the video said. Now I have to wait and see if I get a bounce.  


24 hours later: Well, the egg was softer and had bubbled and foamed as expected. My egg being brown also lost color. As the shell was soft, I squeezed the sides to see what would happen, it made me think of a water Balloon. I dropped it from about six inches, it bounced a little but did not break, tried a foot, bounced and rolled, did not break I got brave and tried it from 2 feet that did not work, the egg broke. It could have been the fact I was using a card table with a soft top that allowed me to go so high. It was still fun. Give it a try see how you do try a something different. There are many experiments shared in the Access Science database. See what you can find. You'll need to log in via VPN for all of the links to work.


Reference AccessScience, s.v. "Egg-cellently Weird Science Experiments," “This video walks you through the chemistry behind protein denaturing, making an egg bounce, and creating your own green eggs (minus the ham).” Access Science.


R. Ponzio

Thursday, April 09, 2020

Hit the dirt!

Spring is here! It's time to get outside and do some yard work and our electronic resources can help. Use the links below or find your own to get some ideas and information on gardening and landscaping.

 Gardening by Alison Pickney https://southdakotaschoolofminesandtechnology.on.worldcat.org/search?queryString=%20gardening#/oclc/836793729

Organic Gardening https://southdakotaschoolofminesandtechnology.on.worldcat.org/search?queryString=%20gardening#/oclc/61313829

Hints on Landscaping and Gardening by Hermann Puckler-Muskau https://southdakotaschoolofminesandtechnology.on.worldcat.org/search?queryString=%20gardening&databaseList=2375,283,251,197,285,143,199,233,2634,245,203,2233,239,217,638&sortKey=LIBRARY&clusterResults=true&translateSearch=false&queryTranslationLanguage=fr&expandSearch=false&scope=&page=2#/oclc/874932271

 Water-efficient landscaping in the Intermountain West: a professional and do-it-yourself guide by Heidi Kratsch https://southdakotaschoolofminesandtechnology.on.worldcat.org/search?databaseList=2375%2C283%2C251%2C197%2C285%2C143%2C199%2C233%2C2634%2C245%2C203%2C2233%2C239%2C217%2C638&queryString=+landscaping#/oclc/750174279

You'll need to log in via VPN for all of the links to work. As always, if you need help accessing these or any of our other electronic resources, contact our reference personnel at library@sdsmt.edu for assistance. Karen Vieira Devereaux Library (605) 394-1258

Thursday, April 02, 2020

Stay-cation two: ORIGAMI OR WILL I?

I decided to see what the library might have on Origami.(You'll need to be on campus or using VPN to follow the links) I thought everyone has paper, right? So, in looking for some inspiration for a simple project I typed Origami in several of our databases. To my surprise, origami was used in several different applications in dealing with information on the universe, electronics, math, health etc. Because origami is in fact mathematical folding it can be used to provide visuals for all sorts of ideas and projects.


Looking for a project to share I used “Academic Search Premier” and found: “How to Fold It: The Mathematics of Linkages, Origami, and Polyhedra” Author: O'Rourke, Joseph. There is a PDF of the book so the material can be viewed online or downloaded.


 As I had not done a lot of origami, I decided that I would go for a simple shape and see How it would go. As it turned out, there were not any simple shapes I could try.

However, I am including this as there may be more adventurous people out there.

So, I continued to look, I found a short article on making origami Tulips “A Bouquet of Tulips” By: Ratcliffe, Charmaine. U.S. Kids. Apr/May2001, Vol. 14 Issue 3, p20 and thought I would try that.

I didn’t have construction paper but did have several different notepaper packs and decided to see what I could use. If the shape was the same size, what could go wrong, right? I couldn’t find a ruler, so I used my 2 ½ in square for quilting. I figured I could use it to get my 4” squares. I made my template so I could make more. I folded my square in half, then folded the edges to the center. What I did not realize is that you must unfold it then fold it.


So on to try two. I used the edge of my of my quilting square to crease the edges, or you can use your fingernail. Then fold the other side the same way as the first. Unfold.




Cut out the four corners. Cut down the center of the remaining squares to the first fold. Slide one square left to cover the square next to it. You can tape or glue. I glued, so I had to wait for the glue to dry.



I did not have pipe cleaners either, which the instructions said to use for the stem. Instead I glued a couple of the extra squares I had cut off the original square to a toothpick. Let that dry then put a small hole in the bottom of my tulip and pulled the end through. A dab of clue will help the stem stay in place.




Small leaves can be created and glued or taped to the stem. Done!


 

This shows that even if you do not have the exact materials needed your can still create a fun project with what you have. Just think outside the box.

By Renee Ponzio

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