Inner Layers
What are the three inner layers?
The core, the mantle, and the crust.
Which layer is composed of the gases that surround the Earth?
The atmosphere.
The lithosphere is divided into many pieces called ________________.
Tectonic plates
What happens in the precipitation phase of the water cycle?
Water falls to Earth in the form of water or snow.
In which layer is all the water on Earth found?
The hydrosphere
Name one material the core is composed of.
Iron
What is the hydrosphere made up of?
All the water on Earth.
Name one effect of tectonic plates.
Possible answers:
The formation of mountains
The formation of volcanoes
The provocation earthquakes
The separation of continents
The emergence of islands
Name two steps of the water cycle.
Possible answers:
Precipitation
Collection
Evaporation
Condensation
What do we call the group of layers where all living organisms are found?
The biosphere
Name one material the mantle is composed of.
Possible answers: magma, rock.
What are the two outer layers called?
The hydrosphere and the atmosphere.
When one tectonic plates moves under another, a volcano can form.
Which type of water (marine or continental) makes up 97.5% of Earth's water?
Marine
True or false: continental water is the same as fresh water.
True
Which two layer make up the lithosphere?
The mantle and the crust.
After the crust, the first outer layer is called the _________.
hydrosphere
How are islands formed?
Islands are formed by magma produced during a volcanic eruption.
True or false: continental waters are salty and constantly moving.
The biosphere is composed of the Earth's surface, the outer layer, and the _________.
What is the thinnest layer?
The crust.
Which parts of the outer layers make up part of the biosphere?
The hydrosphere and the lower atmosphere.
How have plate tectonics affected continents?
The movement of tectonic plates has caused continents to slowly move apart over millions of years.
What are the two types of water found on Earth?
Marine (salt) water and continental (fresh) water
Name all six continents.
Asia, America, Africa, Antarctica, Europe, and Oceania.