GOLDILOCKS ZONE!!
The main characteristic that determines the size of a star's "habitable zone".
What is "size of the star"?
Mars and Venus lack _____ _____ which means there can be no life there.
What is "liquid water"?
Name of the layer that protects Earth from solar radiation
What is the "ozone layer"?
Percentage of oxygen that Earth's atmosphere has.
What is "21%"?
Earth is not too _____ to the Sun, but also not too ____ ____ from the Sun, which makes life possible.
What is "close" and "far away"?
Mars has _____ _______ , which means it could have once supported life.
What is "frozen water"?
The atmosphere does what to the sun's heat?
What is "traps it in and keeps it from going back into space"?
Two elements that make up the majority of the atmosphere on Earth.
What is "nitrogen" and "oxygen"?
The term for Earth to be close but not too close to the sun.
What is "proximity"?
Chemical formula for water, which is necessary for all life on Earth
What is "H2O"?
Type of gases in the atmosphere that trap the Sun's heat.
What is "greenhouse gases"?
Layer of the atmosphere that contains the ozone layer.
What is "stratosphere"?
______ , _______, and _______ are the planets within the Goldilocks Zone in our solar system
What are "Venus", "Earth", and "Mars"?
Water _________ many different compounds, making it the universal ______ .
What is "dissolves" and "solvent"
Three greenhouse gases are _____ , ______ , and _________.
What is, "carbon dioxide", "water vapor," and "ozone"?
Layer of the atmosphere that is right next to "outer space".
What is "exosphere"?