Atmosphere
Name the earth system that is made up of mixture of gases that forms a layer around earth?
Atmosphere
Name the earth system that is made up of liquid layer?
Hydrosphere
...............is the solid part of earth
Geosphere
Name the earth's system that contains all the living things?
Biosphere
Scientists divide earth into ........ systems
4
Name the bottom layer of the atmosphere?
Troposphere
Name the natural location where water is stored?
Reservoirs
Name the naturally occurirng solid that is mainly made up of minerals?
Rock
.................... has no clear boundaries because it is found within other three systems of earth?
Biosphere
Oceanic crust is made of only ............... rock.
Igneous
Name the layer of gas (form of oxygen) that protects earth's surface from harmful radiations from sun?
Ozone
True or false: Lakes and rivers hold less than 1% of earth's fresh water
True
The three major rock types are ........... , ............. and ..............
igneous, sedimentary and metamorphic
Living things are found in ......., ....... and .......
air, water and soil
............ are naturally occurring inorganic solids that have crystal structures and definite chemical composition.
Minerals
Name the last layer of the atmosphere before outer space
Exosphere
True or false :
About 97% of earth's water is in the ocean.
True
Name the thick, middle layer of earth?
mantle
Scientist divide earth into 4 systems ............, ..........., ............ and .............
Atmosphere, Hydrosphere/Cryosphere, Geosphere and Biosphere
True or False :
Hardness describes how a mineral reflects color.
False
Name the three trace gases in the atmosphere?
Carbon dioxide, Methane, Water vapor
Hydrosphere is made up of salt water and ............
Fresh water
Name the three layers of earth?
Crust, Mantle, Core
Name the branch of science that studies Biosphere?
Life science/Biology
Minerals are identified by their physical properties which include ........, ..........., ............., ............ and ...............
color, streak, hardness, luster and crystal shape