Earth and Space Flashcards
What is the first layer of earth?
Crust
What is the second layer of earth?
Mantle
What is the third layer of earth?
Outer core
What is the fourth layer of earth?
Inner core
What is the layer we live on?
Crust
Where is magma found?
Mantel
Which layer is 600 deg c
inner core
Where do convection currents happen?
Mantel
What layer is mad mostly of rock, soil and water?
Crust
Wha layer mostly consists of liquid?
Outer core
Which layer is 1200km wide aprox.?
Inner core
Which layer is 2900 km wide aprox.?
Mantel
Which layer is 50 km thick?
Crust
Which layer is 2266 km wide aprox.?
Outer core
What layer is mostly made out of iron?
Outer core
What is a Convection Current?
They form because heated fluid expands becoming less dense. Then the less dense heated fluid rises becoming more dense. As it rises it pulls cooler fluid down to replace it. This movement establishes a circular current.
What is the first layer of the atmosphere?
Troposphere
What is the second layer of the atmosphere?
Stratosphere
What is the third layer of the atmosphere?
Mesosphere
What is the fourth layer of the atmosphere?
Thermosphere
What is the fifth layer of the atmosphere?
Exosphere
What armosphere layer do we live in?
Troposphere
What atmosphere layer has the ozone layer in the middle?
Stratosphere
What atmosphere layer is 10 000 km above earth?
Exosphere
What atmosphere layer gets as cold as -130 deg C ?
Mesosphere
What atmosphere layer feels cold when it is hot?
Thermosphere
How thick is the troposphere?
7-14 km
how many km is the stratosphere?
20-50 km
How many km is the mesosphere?
50-85 km
How many km is the thermosphere?
85-500 km
