| Spring
2012 |
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Signs of the Seasons: May
Longer daylight is a catalyst for change across the Northern Hemisphere. From the melting lakes in the far north to the continued migrations over the Gulf of Mexico, spring is here in all its splendor. How do lengthening days in the Northern Hemisphere affect changes in living systems? Enjoy a sampling of signs of spring with today's patchwork of photographs. |
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Signs of the Seasons: April
The Equinox has passed. Daylight in in the north is longer now than daylight in the south. Now is the time of great greening. Nature's timing is perfect. Leaves emerge, insects hatch and birds arrive. Watch the greening happen; capture emerging leaves in a book. Find out how this week! Photo: M. Hosier |
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Signs of the Seasons: March
As we move closer to the Spring Equinox we are starting to see and feel changes in daylight. Valdez, Alaska is seeing a whopping 2 hours and 43 minutes more of daylight than one month ago. Check the map to find more amazing facts. How do lengthening days in the Northern Hemisphere affect changes in living systems? Enjoy a sampling of signs of spring with today's patchwork of photographs. Photo: Don Gawlik |
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Signs of the Seasons: February
Sunlight drives all living systems. Energy from the sun increases, temperatures rise, and plant growth begins. January brings new life in a black bear den. Look inside the den with the North American Bear Center's web camera. With longer days and above average winter temperatures across the Northern Hemisphere what do you notice? Photo: Don Gawlik |
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Signs of the Seasons: January
The winter solstice has passed. The long shadows of the winter solstice will change as we move toward the spring equinox. Many other clues will hint that the season is changing. What will they be? That's for you to discover and report what you find! |
| Fall
2011 |
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Signs of the Seasons: December
From sunrise to sunset, how does your daylight compare with other locations on the globe? Report for December 1st, then use the photoperiod map as a springboard for discovery. Also this month, experience the amazing seasonal phenomenon of bald eagle and salmon migrations happening RIGHT NOW in Alaska. |
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Signs of the Seasons: November
What does the changing season bring? Describe, draw, or collect things that represent change in your hometown. How many minutes a day are you losing? Everybody is noticing changes in daylight. Explore the map to find where they are gaining minutes every day. Report daylight for November. Show us what seasonal change looks like outside your window. |
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Signs of the Seasons: October
From the Tropics in Mexico to the Arctic latitudes, people reported their daylight on the Equinox! Explore the results. Mark your calendar to report daylength. Show us what seasonal change looks like outside your window. |
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Signs of the Seasons
New this Fall: How does daylight change in your part of the world as the Earth revolves around the Sun? Join kids around the globe. Share and compare observations. Explore how changes in sunlight cause the seasons and affect the entire web of life. |
