What is the Earth
How many planets from the sun is the earth?
3
How many layers does the earth have?
4
Name the two ways the earth moves?
Rotating and orbiting
What are some examples of observable features of the earth?
Forests, mountains, valleys, deserts, volcanoes, oceans, rivers, glaciers.
The sun is the largest what in the solar system?
Star
What is the word for the earth having a rocky surface?
Terrestrial
What are the names of the Earth's layers?
Crust, mantle, outer core, inner core
How long does it take to complete a rotation?
24 hours/1 day
What is the equator?
An invisible, horizontal line dividing the earth into Southern and Northern Hemispheres
How long does it take for light to reach the earth?
8 minutes
What is the average temperature of the earth?
45 degrees celcius
How thick is the crust on land?
70km thick
What point does the earth rotate on?
It's axis
What 3 things are opposite in the Southern and Northern Hemisphere?
What collides to produce heat and light?
Atoms
What shape is the earth?
Solid and Liquid rock
How long does it take to orbit (complete a revolution) around the sun?
365 days
What is the word for the observable features of the earth that are changing all the time?
Topographical features
How long does it take for the sun to rotate once?
25 days
Earth is the ... largest planet?
5th
What metals are in the inner core?
Iron and Nickel
While the earth is orbiting it is also doing what?
rotating
What is the angle of the axis tilted to?
23.5 degrees
How many earths fit into the sun?
33,000