What are Earth's 4 systems and what makes up each one?
Atmosphere - Air
Hydrosphere - Water
Biosphere - Living Things
Geosphere - Rocks
The sphere that includes grass, tree, flowers, rabbits, deer, and spiders is called the ________________.
Biosphere
Which of Earth's layers is made up of liquid metal?
Outer Core
The thickest part of the earth is the....
mantle
How is metamorphic rock formed? __________ and _____________
Heat and Pressure
What are the 3 Types of Rocks?
Igneous
Sedimentary
Metamorphic
Which sphere inlcudes rocks, mountains, islands, volcanoes, and canyons?
Geosphere
Which of Earth's systems is the smallest?
Biosphere
Soil is part of the geosphere, but it can also contain parts of which Earth Systems?
The biosphere, the hydrosphere, and the atmosphere
When water is heated and changed into a gas, which step of the water cycle is it in?
Evaporation
Too much carbon dioxide in the atmosphere causes _________________.
global warming
More than half of Earth’s freshwater is _________?
Frozen
How many layers does the geosphere have? Name them.
4 layers: crust, mantle, outer core, inner core
Water that falls to Earth’s surface; includes rain and snow.
precipitation
The atmosphere protects us from what?
Radiation
Define atmosphere.
A mixture of gases that surrounds Earth.
The continuous movement of water over the land and above in the air is called __________________
the water cycle
Energy from the sun is reflected off Earth and absorbed in the atmosphere. This is known as the ________ _________.
Greenhouse Effect
When water is cooled and changes back into a liquid, which step of the water cycle is it in?
Condensation
Other than plants and animals, what is another form of life on Earth?
Bacteria
How much the air pushes on any surface is referred to as ___________________?
air pressure
The water cycle is the process of how water...
is conserved
This model shows the comparison between salt water and fresh water. Is it accurate? If not, how can it be changed?


Describe an interaction that may occur between Earth's biosphere and atmosphere.
Answers may vary.
The atmosphere and everything on Earth is held together by what process?
Gravity