The Earth System
The planet we live on.
What is Earth?
Water in the form of invisible gas.
What is water vapor?
The tiniest particles too small to see that make up everything.
What are atoms?
A group of parts that work together.
What is a system?
The air and gases that surround Earth.
What is the atmosphere?
When liquid turns into gas.
What is evaporation?
When a solid turns into a liquid and gains energy.
What is melting?
To save, protect, or use wisely.
What is conserve?
All of the liquid water and ice on Earth.
What is the hydrosphere?
When gas turns into liquid.
What is condensation?
When a liquid turns into a solid and it looses energy.
What is freezing?
A place where freshwater is stored.
What is a reservoir?
All living organisms.
What is the biosphere?
Liquid or solid water that falls to Earth.
What is precipitation?
Matter that is made of one kind of atom or molecule.
What is a substance?
A person who uses science to design something to solve a problem.
What is an engineer?
The solid parts of Earth, including the ground, rocks, mountains, and soil.
What is the geosphere?
The temperature water freezes or melts.
What is 0 degrees?
A process in which substances change into different substances.
What is a chemical reaction?
What you can observe or measure about something that helps you figure out what it is.
What are properties?