1. The Earth’s four seasons By : Rosel Joan E. Vallar 8-Nelson Mandela

2. The Earth’s four seasons -- What are the earth’s four seasons? - Why do we have four seasons? A. Earth’s motions(rotation vs. revolution) B. Earth’s orientation(inclination of the axis) C. Solstices D. Equinoxes - How have the four seasons influenced our own lives? -What is climate change and why should we be concerned? (overview)

3. The Earth’s four seasons Summer -between spring & autumn Winter - between autumn and spring Autumn - between summer and winter - also known as “fall” Spring - between winter and summer

8. Earth’s motions (rotation vs. revolution) Rotation - describes the spinning of the Earth around its axis -causes difference in time Revolution - describes the movement of the Earth over a period of one year

9. Earth’s orientation

10. Solstices and Equinoxes Solstice - days when the Sun reaches its farthest northern and southern declinations Equinox - days in which day and night are of equal duration - two yearly equinoxes

12. Influence of the four seasons on our lives

13. Climate change - is a change in the distribution of weather patterns - used when the change lasts for an extended period of time

14. References Images: http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Seasons.shtml http://www.telegraph.co.uk/news/picturegalleries/uknews/8461619/UK-spring-weather-in-pictures- hottest-day-of-the-year-so-far.html?image=22http://www.telegraph.co.uk/news/picturegalleries/uknews/8461619/UK-spring-weather-in-pictures- hottest-day-of-the-year-so-far.html?image=22 http://www.visitscotland.com/en-us/travel/weather http://healingfibro.com/how-the-weather-effects-fibromyalgia/ http://addins.waow.com/blogs/weather/2010/10/cars-that-drive-themselves http://www.planet-science.com/categories/under-11s/our-world/2010/09/four-seasons.aspx https://blogstertrio.wordpress.com/2015/08/19/travelling-an-art-of-living/ Content: http://www.planet-science.com/categories/under-11s/our-world/2010/09/four- seasons.aspxhttp://www.planet-science.com/categories/under-11s/our-world/2010/09/four- seasons.aspx http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Seasons.shtml http://addins.waow.com/blogs/weather/2010/10/cars-that-drive-themselves https://en.wikipedia.org/wiki/Season http://www.livescience.com/25202-seasons.html)http://www.livescience.com/25202-seasons.html http://www.motherearthnews.com/nature-and-environment/environmental-policy/climate- change-science-zm0z11zkon.aspxhttp://www.motherearthnews.com/nature-and-environment/environmental-policy/climate- change-science-zm0z11zkon.aspx www.differencebetween.net/science/difference-between-earth%E2%80%99s-rotation-and- revolution/www.differencebetween.net/science/difference-between-earth%E2%80%99s-rotation-and- revolution/