1. Slide 1: Spring 2. Slide 2: Summer 3. Slide 3: Fall 4. Slide 4: Winter 5. Slide 5: How the seasons form 6. Slide 6: A Video 7. Slide 7: Where we got the websites 8. Slide 8: A hint Mann

 It is the first season.  The first day of spring is called vernal equinox  Despite the term, the day when there are 12 equal hours of daylight and darkness usually happens before the first day of spring.  The reason that there’s more daylight during spring is that the earth’s axis tilts towards the sun at this time of year.  Spring is when birds return home after migrating in winter. About 1800 bird species migrate.  Pollen is the biggest spring allergen. Plants release this powdery substance into the air to fertilize other plants.

 France's Eiffel Tower grows by more than six inches in summer due to the expansion of the iron on hot days.  The first day of summer is known as the summer solstice and in the US it falls on June 20 or June 21 each year, depending on when the sun is furthest north of the equator.  Tornadoes and thunderstorms typically take place in the summer as supposed to the spring. When it is summer time in America it is winter time in the southern hemisphere of the world.  School summer vacations were invented by educator Horace Mann in 1840.

 Evergreen trees remain green through the winter because they have waxy leaves which do not freeze.  In Winter, days are shortest and the nights are longest.  Ice is a considered a mineral.  Wind chill can cause problems during the winter. Wind chill is the combination of wind and temperature and is based on the rate of heat loss from exposed skin.  During the winter months the current year ends and a new year starts. The days are shorter and often very cold. Sometimes the precipitation will fall as sleet and snow, and quite often we wake up in the morning to frost and ice on the floor. Winter is usually cold and wet, however it does differ in other parts of the world.

 XIXQQ_E XIXQQ_E This is a link to the seasons changing in action.

 facts.php facts.php  about-spring/ about-spring/  014/06/20/9-fun-facts-about- summer/ / 014/06/20/9-fun-facts-about- summer/ / 