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WorksheetsOur Planet Earth
Total questions: 10
Worksheet time: 5mins
The middle layer of the Earth is...
Core
Mantle
Crust
The 4 Planetary Systems are:
atmosphere, geosphere biosphere and hydrosphere
atmosphere ,biosphere and oceans
atmosphere, biosphere, stratosphere , and geosphere
Is the Earth layer that contain water
geosphere
biosphere
atmosphere
hydrosphere
What is the layer of the Earth closet to the surface
crust
mantle
nucleus
The gas layer of the Earth that provides the air we breath is:
atmosphere
hydrosphere
biosphere
What is the composition of the atmosphere?
15% oxygen and 85% nitrogen
23% nitrogen and 77% Helium
78% nitrogen and 21% oxygen
78% nitrogen and 21% ozone
What is the layer that contain little oxygen
troposhere
stratosphere
mesosphere
thermosphere
The 4 types of biomes are:
taiga, tundra, deserts and tropical rainforests
deserts ,dunes, tundra and beaches
oceans, taiga ,tundra and deserts
What are biomes?
Are very large water regions.
Are very extensive ecosystems distinguished by the temperature
Its a gas layer composed of different elements including nitrogen.
