Rotation
The movement of the Earth around its axis
What is Rotation?
The movement of the Earth around the Sun
What is Revolution?
The vertical lines around the Earth
What are Meridian lines?
The layer of Earth that makes up the ground we walk on
What is the crust?
What is a sphere?
The imaginary line the Earth rotates around
What is the axis?
Caused by revolution, there are four of these in one year.
What are the seasons?
The horizontal lines around the Earth
What are Parallels?
The layer of Earth where there is semi-liquid rock called Magma. It is very hot!
What is the Mantle?
This line separates the Earth into two hemispheres, North and South
What is the Equator?
The time it takes to complete one of Earth's rotations
What is 24 hours?
What is 365 days?
A type of Meridian line, measures the distance from the Greenwich Meridian, East / West
What are Longitude lines?
The inner most layer of the Earth. This layer is mostly made of iron and is the hottest!
What is the core?
The Earth's solid rock layers
What is Geosphere?
The two phases caused by rotation in 24 hours
What is Day & Night?
On 21 December winter begins in the Northern Hemisphere. This begins in the Southern Hempisphere.
What is Summer?
A type of Parallel line, measures the distance from the Equator, North/ South
What are Latitude lines?
The layer with all the water on Earth
What is the Hydrosphere?
Any point on Earth is found with this. It is made up of latitude and longitude lines
What is a Geographic Coordinate?
The angle of the Earth on it's axis
What is 23.5 degrees?
On 21 September spring begins in the Southern Hemisphere. This begins in the Northern Hemisphere.
What is Autumn?
The two important longitude and latitude lines and their angle
What are the Greenwich Meridian and Equator?
What is zero degrees?
The layer of Earth where there is gas like Nitrogen and Oxygen
What is the Atmosphere?
The time period when the telescope was invented
What is the 17th century?