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Rockets: A Beginners Guide Part 2

John Berrigan, Teacher Oakville Trafalger H.S.

In the previous article we learnt how to find the largest possible delta-V that a rocket can experience. In this article, we are going to find the thrust of a rocket by using the fundamentals of conservation of momentum. This will be similar to what we did in the last article, however this time we will use variables instead specific masses and velocities. Furthermore, the cart is now a rocket, as this is rocket science! Read More...

Cheap and Safe Solar Observing for Grade 9 Astronomy

Roberta Tevlin, OAPT Newsletter Editor, Teacher Danforth CTI
Edited by Tim Langford

It is difficult to get students to make astronomical observations when you live in a large city with lots of light pollution. However, there is one object that all of your students have seen, but probably not observed carefully — the Sun! I start my grade 9 astronomy unit by having my students observe the shadows formed by Sun. Read More...

PER Corner: Fixing the Gender Imbalance in Physics

Chris Meyer, OAPT VP teaching and learning, Assistant Curriculum Leader York Mills C. I.

I have a problem in my physics classes: by grade 12, only one third of the class is female. I used to think of this as a fact of life, or something beyond my power to change, but now I am sure that is wrong. Too many girls are missing out on some of the best training in critical thinking available in high school. Research suggests why: girls experience physics education differently than boys do. By understanding these differences, I am modifying my classroom to create an environment that supports girls and encourages their future participation in physics. Read More...

A Browser-Based No-Fuss Gravitation Simulator

Michel Enns, Teacher Runnymede CI

I have been frustrated with gravitation simulators over the years because they stop working when the computers are updated. To avoid this, I have made one that is browser-based and will run on any device. You can find it at www3.sympatico.ca/michael.enns. One non-standard thing that it can do is simulate the formation of a solar system with a thousand random masses. Read More...

The NEW OAPT Newsletter and You

Roberta Tevlin, OAPT Newsletter Editor, Teacher Danforth CTI

In the spring of 2015, Robert Prior brought the newsletter into its new responsive and accessible format and in August Roberta Tevlin signed on as editor. In the last ten months, there have been 37 articles from 18 different authors as well as many timely announcements. Thank you to all our wonderful authors. There is no Newsletter without you!

You probably missed a lot of these articles during the busy teaching year. It is easy to catch up on these as part of your summer reading. Read More...
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