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Our Planet, the Eart
Social Studies
| Question | Answer |
|---|---|
| Why is our galaxy called the Milky Way? | Because the light from its billions of stars look like a trail of spilled milk in the night sky |
| Why are the days longer than the nights at certain times of the year? | Because the Earth's orbit, the tilt causes a region to face toward the sun for more hours than it faces away from the sun |
| When does the summer solstice occurs in the Northern Hemisphere? | June 20th or 21st |
| Whys is it almost always hot in the area called the tropics? | Because any low latitudes receives direct sunlight at some time during the year. |
| Axis | The imaginary line running thru the Earth between the North and South poles |
| High Latitudes are called | The polar zones near Arctic and Antartic |
| Middle latitudes | Temperates zones that have different seasons throught out the year |
| Orbit | The oval shaped path the Earth travels around the sun |
| Rotation | The spinning motion of the Earth a top of its axis,about every 24 hours |
| Revolution | Each year the Earth completes one orbit around the sun every 365 days |
| Low latitudes It is also the region between the Tropic of ______ and the Tropic of ____________ | It is always hot in the tropics Cancer Capricorn |
| Plateau | Is a large mostly flat area that rises above the surrounding land |
| Plain | A flat area or an area with gently rolling land |
| Plate Tectonics | The theory that the Earth's crust is made of huge slowly, moving slabs of rocks called plates |
| Hills | A landform that is lower with a rounded top |
| Mountains | A landform that is wide at the bottom and rises more than 2,000 feet above sea level |
| Landforms | A shape or type of land, such as a mountain or hill |
| Plate | The outer skin of the Earth called the crust, is broken into huge pieces |
| Weathering | A process that breaks down rocks into pieces by wind, rain or ice |
| Erosion | A process by which water, wind or ice wears away landform and carries the material to another place. |
| Atmosphere | The multi-layered band of gases that surrounds the Earth. It makes life exist |
| Pangaea | A single landmass that broke apart to form today's separate continents thought to have existed 200 millions years ago. A continent like Asia |
| Ring of Fire | A circle of volcanic mountains that surrounds the Pacific ocean, including those islands of Japan, Indonesia, Cascades of North America and the Andes of South America |
| Why are there earthquakes and volcanoes? | Laces in the Erath's crust crack from preassure, casuing earthquakes, or break apart, allowing liquid rock from beneath the surface to rise as volcanoes |
Created by:
talayah