Unit 3

What Does It Mean to Explore?

Reader's Notebook


Infrared image of Comet Kohoutek.

Satellite Imaging

Look at the images of Canada from Space on pages 146 to 149 in Literacy in Action.


Satellites record images in a variety of ways

  • Infrared imaging: detects temperature on the surface, and is useful both day and night. Heat energy is displayed as red, or false colour.

  • Visible imaging: relies on sufficient sunlight reflecting off Earth's surface to be viewable; it is only useful during daylight hours.

Focus on the image on page 146 of Literacy in Action and answer the questions on the Reader's Notebook: Satellite Image Chart.





Document: Reader's Notebook: Satellite Image Chart
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