There are many lists going around about what the next decade will bring in K-12 education, especially focusing on those things that will become obsolete.
Well, I decided to create my own list of 5 things that should be obsolete in K-12 education by 2020.
Homework
The United States continues to fall behind most Asian and some European [...]

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David Wetzel on February 26th, 2010

A nature journal allows students to make observations and connections about the natural world in which they live.
As they develop their own nature journals, students develop a concrete understanding of what is going on in the part of nature they are studying.
One example is the impact of global warming on animals which live in a [...]

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David Wetzel on February 22nd, 2010

The science community needs to develop better ways to assess students’ understanding and skills, not just their science factual knowledge.
For many years, education has traditionally been about standing in front of a classroom and giving a great lecture, or just a lecture. What people rarely do is try to work out whether or not the [...]

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David Wetzel on February 1st, 2010

The following are discrepant events that does not turn out as expected.
These anomalies challenge students’ beliefs and makes them more receptive to learning what you want them to learn.
Alcohol and Water Miscibility: Discrepant Event
Miscibility means how completely two or more liquids dissolve in each other.
Materials Needed per Group: two 50 mL beakers, 0ne 100 mL [...]

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David Wetzel on January 30th, 2010

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David Wetzel on December 1st, 2009

Christmas Gifts for that science person in your life!

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David Wetzel on September 24th, 2008

When I was teaching one of my students’ favorite events in science was when they would be challenged with discrepant events. So what are discrepant events? 
It is something that surprises, startles, puzzles, or astonishes the students as they observe the event.
 
Often, a discrepant event is one that does not appear to follow basic “rules of [...]

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