Megan Dehning

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Recent Posts by Megan

Tue Nov 01, 2011 9:10 PM in big bang lessons
I am currently teaching my astronomy unit -- we have been working our way from our solar system, through star life cycles and galaxies out to the "big picture". Students are fascinated with the big bang theory, so I usually end my astronomy unit with it. It is a difficult theory for adults to grasp, let alone 7th and 8th graders. Any middle school teachers have success in teaching this topic in a ...

Sun Oct 23, 2011 11:33 PM in Photosynthesis and Respiration Resources
I am a big fan of hands-on investigations for photosynthesis and respiration. I teach middle school science and absolutely LOVE the lessons laid out by Irene Salter in "My Science Box" The flow of lessons is fantastic, and really enables the students to discover the information themselves through investigation rather than simply being told. I highly recommend teachers...

Sun Oct 09, 2011 3:36 PM in BrushBots, Robotics
Thanks, Will, for your detailed description of homemade brushbots - I love the idea of not having to spend s lot of money, especially since we don't have much these days! This is the first year I have helped coach a robotics team for our school, and we just competed in 2 VEX tournaments -- these kits are pretty complex and time consuming for students, not to mention the parts are expensive! Brushb...

Recent Reviews by Megan

Tue Sep 27, 2011 2:31 AM
3 Navigating Gravity and Orbits
This sci-guide is packed with information, which admittedly, is a bit overwhelming and daunting in itself. The guide is broken into 3 main themes: gravitational force, orbits, and universal gravitation. The media interactive animations are effective at helping one to understand the effect gravity has on falling objects, particularly in helping to differentiate between speed and acceleration. Many of the lesson plans and activities on the links offer engaging and interactive methods for students to better understand the effects of gravity and clear-up common misconceptions. Some of the links did not lead to the exact topic they were supposed to address, however they did lead to sites within the subject of astronomy. One critique of this guide is that the main lesson plans offered for each of the three themes were computer-based. This can be difficult for teachers and students who do not have sufficient and regular access to computers. More hands-on lessons and investigations would be appreciated by this teacher, in particular.