Lesson 1: Earth Sun Relationship
Learning Targets and Language Objectives
Earth's axis tilt
Downloaded Google Earth . This tool provides easy access to maps, historical views of places (to illustrate change over time), photo tours, geotagged photos of places, and a wide variety of other resources.
Click on the World Sunlight map -gives access to various projections that also illustrates the significance of the earth-sun relationship
Take notes on the Earth/Sun Relationship. You can use this document WGS_Earth_Sun Relationships_Cornell Notes_Unit 2 as an option to take notes.
- Working in your regional groups, access the National Oceanic and Atmospheric Association [NOAA] Solar Calculator.
- Click on the "World Cities" indicator at the top of the map and zoom out to show the world map.
- Identify two major cities from your region at different latitudes/longitudes.
- Make a chart like the one above for your cities.
- Post your charts on the Sunrise/Sunset Calculations Chart for Assigned Region-Discussion Board with the Name of your Region as the title of the post.
- On the website, click the “World Cities" indicator
- Click on the small pin near, and in the same time zone as, your desired location.
- Use the control on the left side of the map to zoom in or out.
- Drag the large pin in the exact desired location. You can use the Save button to have your computer remember the current location for next time.
- Then in the Date box choose the dates of Dec. 21, Mar 21, June 21, and Sept 21 (Summer/Winter solstices; Spring/Fall equinoxes). For the March, June, and September dates check the DST box under Time Zones to display Daylight Savings Times. The results for each date will display in the chart.
- If you click the Show Sunrise and Show Sunset buttons it will illustrate sunrise, noon, and sunset projections.
Exit ticket: Post a response on the Exit Ticket-Earth/Sun Relationship Discussion Board to the following prompt using your notes and your understanding of the effects of the Earth-Sun relationship on seasons and time:
The Rotation of the Earth affects time because _____;
The Revolution of the Earth around the sun affects the season because_____.
It is colder in higher latitudes because_______ and it is warmer in lower latitudes because __________.
Revisit the Learning Targets and complete the post-assessment, citing evidence in the last column.