Focus Question: Why are there more daylight hours in summer than in winter?
Next, watch another video that also shows Earth in orbit. Notice when the northern hemisphere tilts toward and away from the sunlight. (Boston is used as an example and is shown by a red dot in the video.)
|Space||Pause/Play video playback|
|Enter||Pause/Play video playback|
|m||Mute/Unmute video volume|
|Up and Down arrows||Increase and decrease volume by 10%|
|Right and Left arrows||Seek forward or backward by 5 seconds|
|0-9||Fast seek to x% of the video.|
|f||Enter or exit fullscreen. (Note: To exit fullscreen in flash press the Esc key.|
|c||Press c to toggle captions on or off|
Use what you learned about Boston in summer and winter to complete another diagram. The diagram shows Earth, the Sun, and Earth’s orbit from above the North Pole. Click Arrange It.
How does the view of Earth from space help you explain the different amounts of daylight in summer and winter?