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General Announcements

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January 21, 2018
All missing 2nd quarter assignment are due by 2:20 PM on Thursday, January 25, 2018.

January 19, 2018
Pennsylvania Governor's School for the Sciences at Carnegie Mellon University is now accepting applications from talented high school juniors for the summer 2018 program. We have had success with former students getting into this elite program. If you have questions about the program feel free to ask me. If you are interested in going please let me know. I can help you with the application. http://sciences.pa-gov-schools.org/

August 8, 2017
Add a CroomPhyics Button to your devices Home Screen
iPhone, iPad, & iPod Touch Safari -
  1. In Safari on your apple mobile device, go to http://www.croomphysics.com.
  2. Tap the Share button.
  3. Tap the Add to Home Screen icon
Android Chrome -
  1. In Chrome on your android mobile device, go to http://www.croomphysics.com.
  2. Tap the menu button.
  3. Tap "Add to Homescreen".
  4. Enter a name for the shortcut.
Firefox -
  1. In Firefox on your android mobile device, go to http://www.croomphysics.com.
  2. Tap the menu button.
  3. Tap "Page options."
  4. Tap "Add to Home Screen".


August 8, 2017
If anyone finds websites that should be added to the links section of www.croomphysics.com please e-mail me at jcroom@npsd.org

Seabird Feathers Reveal Less-Resilient Ocean 02/15/2018 06:50 PM By analyzing 130 years of seabird feathers, researchers determined that food webs are losing complexity in the Pacific—meaning less-resilient ecosystems. Christopher Intagliata reports.

-- Read more on ScientificAmerican.com


Beetle Liberation Due to Regurgitation 02/13/2018 08:26 PM The bombardier beetle can spray its hot brew of toxic chemicals even after bring swallowed, to force a predator into vomiting it back out.

-- Read more on ScientificAmerican.com


Old Trees Are Ecosystem Gold 02/12/2018 05:08 PM David Lindenmayer of the Australian National University College of Science in Canberra says that older trees play outsize roles in maintaining landscapes and ecosystems.

-- Read more on ScientificAmerican.com


Boat Noise Means Fish Can't Learn Their Lessons 02/11/2018 10:33 AM Damselfish had trouble learning to avoid predators, when that lesson was accompanied by a soundtrack of buzzing boat engines. Christopher Intagliata reports.

-- Read more on ScientificAmerican.com





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