SciNews – Nov 27, 2014

This regular feature of STAOblog brings you a sampling of the latest science news that would be of particular interest to your students.  Incorporate these stories into your lesson.  Or, use them as a “cool attention-grabber” at the start of class.  Above all, enjoy the discussion and get your kids excited about science! “SciNews” is published every Monday and Thursday.

Share your favourite SciNews “gems” by emailing them to staoblog@stao.org.

How do you use scinews in your class?  Share your tips using the comment button.  

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Poppin’ Pine Cones

Pine ConesGrade 3: Life Systems

Contributed by: Ellen Webb

On a hot summer day, take students for a walk near coniferous trees.  If you are in luck, you may hear the snapping sound of the cones popping open naturally to release the seeds.  Pinecone seeds must be released from their cones before the keys can be transported on the winds.

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Magnetic Tomatoes

Mention the word magnetism and most of us think of one iron-based object attracting another.  This form of magnetism is called ferromagnetism.  Iron, nickel and cobalt are the most common elements that exhibit ferromagnetic properties.  However, two other less familiar forms of magnetism also exist.  These are called paramagnetism and diamagnetism.  This video shows an example of diamagnetic of an unlikely object – a tomato.

The following video provides a useful summary of how the three forms of magnetism differ.

How would you use this resource with your class?  Please share your ideas using the comment bubble.

What Philae did in its 60 hours on Comet 67P

>>> by Mark Lorch, Senior Lecturer in Biological Chemistry at University of Hull, UK

 

The drama of Philae’s slow fall, bounce and unfortunate slide into hibernation was one of the most thrilling science stories of a generation. But what in its short 60 hours of life on Comet 67P did it achieve? Continue reading

Wild Migrations: Get the 6×9 metre map at your school!

Dear Educator,

I am writing to you today because the Canadian Wildlife Federation is working on an exciting project with Canadian Geographic, and we want to share it with you!


© Canadian GeographicSign up for your organization!

We are preparing to launch a giant, traveling, migration-themed floor map of North America. It will travel with curriculum suitable for kids from kindergarten to grade 12 and stay at schools and camps for two weeks at a time before moving on to its next destination. Continue reading