Scientific Method
This variable does not change between experiments
What is a constant variable?
This variable goes on the X-axis
What is an independent variable?
Estimated age of our universe
13.7 BYO
Earth's estimated age
What is 4.6 BYO
Earth's physical layers
What is lithosphere, asthenosphere, mesosphere, outer core, inner core?
The format of a hypothesis
This variable goes on the Y-axis
What is a dependent variable?
We have this type of galaxy
What is a spiral?
How Earth's oceans formed
What are comets and outgassing?
Earth's layers are organized by this
The variable of an experiment that exists under normal conditions
What is the control variable?
All Axes need this important piece, usually in parentheses
What are units?
What is running out of fuel?
The necessary characteristics of a planet for life to form
What is gravity, liquid water, atmosphere, and a sun?
The Pacific ocean is this age compared to the Atlantic ocean. Justify your answer
What is older? Pacific has trenches that destroy sea floor. Atlantic has ridges that produce new floor
The variable that is being measured
What is the dependent variable?
The format of a graph's title
The life sequence of our star
What is yellow dwarf, main sequence, red giant, white dwarf, black dwarf
How Earth became suitable for life to form
What are photosynthetic organisms that produced oxygen?
This process causes tectonic plates to move
What is convection currents?
The variable that is being manipulated
What is the independent variable?
salinity and temperature. Which is an independent and dependent variable?
What is population is dependent and temperature is independent?
The red shift is evidence for this. Justify your answer.
What is universal expansion? The phenomenon that occurs when light from planets/galaxies turns red as they move away from us
Where life on Earth began
Where is deep sea vents and shallow pools?
This evidence supports the theory of seafloor spreading and Pangea
What is magnetic polar reversals, ocean floor is 200 MYO, continents fit like a puzzle and have the same rocks