Weather Forecasting. The Short Answer:. Earth has seasons because its axis is tilted. For example, in summer, the Sun's rays hit that region more directly than at any other time of the year. In the summer daylight lasts longer and night time is shorter. Winter Months In winter the days are shorter and the nights longer. There is more time for the sun to warm us during long summer days. And short winter days have long, cold nights.
Equinox Day and Nght. Follow me on Twitter mbarrow. This site uses cookies. See our Cookie Policy for information. You may not redistribute, sell or place the content of this page on any other website or blog without written permission from the author Mandy Barrow.
Time Zone by Mandy Barrow. Science index. Sunrise and Sunset project. Summer During the summer, the sun's rays hit the Earth at a steep angle because the sun is higher in the sky. Winter During the winter, the sun's rays hit the Earth at a shallow angle because the sun is lower in the sky. Can they extend this one level up the food chain to predators? Track the movement of two migratory birds of prey—ospreys and turkey vultures—as they travel between North and South America over a single calendar year.
Assist your students to make connections as to how populations of organisms are dependent on the living things on which they prey.
Have an idea you'd like us to post on this page? Email us. Visualizations based on aggregated data provide the unique opportunity to engage your students in various Science Practices highlighted in the Next Generation Science Standards, including asking questions, analyzing and interpreting data, and constructing explanations. As an example, Academy educators developed sample activities such as this one and this one.
Astronomy Activities You'd be surprised by how much astronomy you can learn with a light source, some painter's tape, and a can of play doh. This collection features nine of our most popular activities.
Why do we have seasons? The Reason for the Seasons This website gives background information of why we have seasons and visualizes the angle of sunlight one of the reason of the seasons. Plunge into a California kelp forest and learn about the complex, colorful ecosystems right off our coast. Travel underground for an up-close look at the ants, amoebas, and bacteria that maintain healthy soil.
Browse a rich array of educational resources from the award-winning show, Habitat Earth. Our collection of educational videos will help your students visualize data and understand scientific concepts. Sign up for event updates and exciting announcements. Learn more. Reservations are required for the planetarium and are available on a first-come, first-served basis. More info. The four-season year is typical only in the mid-latitudes. The mid-latitudes are places that are neither near the poles nor near the Equator.
The farther north you go, the bigger the differences in the seasons. Helsinki, Finland, sees In mid-December, however, it is light for less than 6 hours. Athens, Greece, in southern Europe, has a smaller variation. It has Places near the Equator experience little seasonal variation. They have about the same amount of daylight and darkness throughout the year. These places remain warm year-round. Near the Equator, regions typically have alternating rainy and dry seasons.
Polar regions experience seasonal variation, although they are generally colder than other places on Earth. Near the poles, the amount of daylight changes dramatically between summer and winter. In Barrow, Alaska, the northernmost city in the U. The city is in total darkness between mid-November and January. Seasons in Alaska Sometimes, seasons are determined by both natural and man-made activity.
In the U. Ritu A ritu is a season in the traditional Hindu calendar, used in parts of India. There are six ritu: vasanta spring ; grishma summer ; varsha rainy or monsoon ; sharat autumn ; hemant pre-winter ; and shishira winter. Seasons can be natural, like hurricane season, which is the time of year when hurricanes are most likely to develop. Seasons can also be artificially created, like hunting season, which is the time of year a community allows people to hunt certain wild animals.
Meteorological Seasons Meteorologists, scientists who study the weather, divide each of the seasons into three whole months.
Spring begins March 1, summer June 1, autumn September 1, and winter December 1.
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