At least the days are getting longer

Daylight Hours Explorer

Clicking on this image will take you to to the University of Nebraska's astronomy simulation in a new window.

What's your guess as to how fast the number of daylight hours will change each day from now until June 21st?  Will the changes be dramatic? Will the lengthening days be only a subtle change?

Students make guesses; compute how long, on average, the change in daylight hours should be; play with a cool piece of comparison technology; and finally understand the variability in our year of daylight hours.

The activity: Daylength2017.pdf

For members we have an editable Word docx, solutions, and two Excel charts and graphs to show daylight change through just January and February and daylight changes throughout the year.

Daylength2017.docx           Daylength2017-solution.pdf

daylength-Jan-Feb,2017.xlsx         YearDaylength.xlsx

CCSS: 4.MD, 5.MD, 6.RP, 6.EE, 6.SP, 7.RP, 7.EE, 7.SP

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