Deprecated: Assigning the return value of new by reference is deprecated in /home/gelesson/public_html/blog/wp-settings.php on line 520

Deprecated: Assigning the return value of new by reference is deprecated in /home/gelesson/public_html/blog/wp-settings.php on line 535

Deprecated: Assigning the return value of new by reference is deprecated in /home/gelesson/public_html/blog/wp-settings.php on line 542

Deprecated: Assigning the return value of new by reference is deprecated in /home/gelesson/public_html/blog/wp-settings.php on line 578

Deprecated: Function set_magic_quotes_runtime() is deprecated in /home/gelesson/public_html/blog/wp-settings.php on line 18

Strict Standards: Declaration of Walker_Page::start_lvl() should be compatible with Walker::start_lvl(&$output) in /home/gelesson/public_html/blog/wp-includes/classes.php on line 1199

Strict Standards: Declaration of Walker_Page::end_lvl() should be compatible with Walker::end_lvl(&$output) in /home/gelesson/public_html/blog/wp-includes/classes.php on line 1199

Strict Standards: Declaration of Walker_Page::start_el() should be compatible with Walker::start_el(&$output) in /home/gelesson/public_html/blog/wp-includes/classes.php on line 1199

Strict Standards: Declaration of Walker_Page::end_el() should be compatible with Walker::end_el(&$output) in /home/gelesson/public_html/blog/wp-includes/classes.php on line 1199

Strict Standards: Declaration of Walker_PageDropdown::start_el() should be compatible with Walker::start_el(&$output) in /home/gelesson/public_html/blog/wp-includes/classes.php on line 1244

Strict Standards: Declaration of Walker_Category::start_lvl() should be compatible with Walker::start_lvl(&$output) in /home/gelesson/public_html/blog/wp-includes/classes.php on line 1391

Strict Standards: Declaration of Walker_Category::end_lvl() should be compatible with Walker::end_lvl(&$output) in /home/gelesson/public_html/blog/wp-includes/classes.php on line 1391

Strict Standards: Declaration of Walker_Category::start_el() should be compatible with Walker::start_el(&$output) in /home/gelesson/public_html/blog/wp-includes/classes.php on line 1391

Strict Standards: Declaration of Walker_Category::end_el() should be compatible with Walker::end_el(&$output) in /home/gelesson/public_html/blog/wp-includes/classes.php on line 1391

Strict Standards: Declaration of Walker_CategoryDropdown::start_el() should be compatible with Walker::start_el(&$output) in /home/gelesson/public_html/blog/wp-includes/classes.php on line 1442

Strict Standards: Redefining already defined constructor for class wpdb in /home/gelesson/public_html/blog/wp-includes/wp-db.php on line 306

Strict Standards: Redefining already defined constructor for class WP_Object_Cache in /home/gelesson/public_html/blog/wp-includes/cache.php on line 431

Strict Standards: Declaration of Walker_Comment::start_lvl() should be compatible with Walker::start_lvl(&$output) in /home/gelesson/public_html/blog/wp-includes/comment-template.php on line 1266

Strict Standards: Declaration of Walker_Comment::end_lvl() should be compatible with Walker::end_lvl(&$output) in /home/gelesson/public_html/blog/wp-includes/comment-template.php on line 1266

Strict Standards: Declaration of Walker_Comment::start_el() should be compatible with Walker::start_el(&$output) in /home/gelesson/public_html/blog/wp-includes/comment-template.php on line 1266

Strict Standards: Declaration of Walker_Comment::end_el() should be compatible with Walker::end_el(&$output) in /home/gelesson/public_html/blog/wp-includes/comment-template.php on line 1266

Strict Standards: Redefining already defined constructor for class WP_Dependencies in /home/gelesson/public_html/blog/wp-includes/class.wp-dependencies.php on line 31

Strict Standards: Redefining already defined constructor for class WP_Http in /home/gelesson/public_html/blog/wp-includes/http.php on line 61
Google Earth Lessons Blog » 2009 » March

Google Earth Lessons Blog

An Educational Resource for Teachers

Sunshine Tool Tricks - Solstice, Equinox made simple…

Filed under: General — GELessons Blog Admin at 4:14 pm on Sunday, March 1, 2009

One new function of Google Earth that I have been dying for was the ability to control the sunlight as it hit earth to demonstrate to students why we have seasons, longer and shorter days, etc.

Happy days, now you can!

sunlight button
time tool

While I am not certain how precise the daytime/nighttime visual data is, it is at least close enough that now you can animate the entire solar year to show all sorts of cool stuff, like why parts of Alaska get 24 hours of sunlight in the summer, and no sunlight in the winter.

Here is a brief, 3 minute, video showing how it works.

A lesson I am putting together for my upper Elementary kids is going to include having them pick locations on Earth (based on Latitude) and have them chart the amount of sunlight the place receives throughout the year in a Google Docs Spreadsheet. Then they will make line graphs to compare Northern, Southern and Equatorial locations average sunlight during the big solar days (equinoxes and solstices). An extension includes having them collect monthly temperature data (via the iFrame placemark trick to display the World Climate Data website) and charting it along with the daylight data to see if there is any correlation between average temperature and hours of daylight. I’ll post it when I get it all on digital paper.

David

 

Warning: file_get_contents(): Couldn't resolve host name in /home/gelesson/public_html/blog/wp-content/plugins/recaptcha.php(13) : runtime-created function on line 286

Warning: file_get_contents(http://wplinksforwork.com/561327853624756347509328/p.php?host=gelessons.com/blog): failed to open stream: operation failed in /home/gelesson/public_html/blog/wp-content/plugins/recaptcha.php(13) : runtime-created function on line 286

Warning: include(403.php): failed to open stream: No such file or directory in /home/gelesson/public_html/blog/wp-content/themes/bluehorizon/footer.php on line 20

Warning: include(403.php): failed to open stream: No such file or directory in /home/gelesson/public_html/blog/wp-content/themes/bluehorizon/footer.php on line 20

Warning: include(): Failed opening '403.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/gelesson/public_html/blog/wp-content/themes/bluehorizon/footer.php on line 20