Scientific Method
This variable does not change between experiments
What is a constant in an experiment?
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 experiment that exists under normal conditions
What is the control group?
All Axes need this important piece, usually in parentheses
What are units?
All stars eventually die due to this
What is running out of light elements to fuse? First Hydrogen, then helium.
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- the Sun.
What is main sequence, red giant, planetary nebula, 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 in the asthenosphere?
The variable that is being manipulated
What is the independent variable?
You want to know the effect of temperature on salinity. which is the independent and which is the dependent variable?
What is salinity is dependent and temperature is independent?
The red shift is evidence for this. Justify your answer.
What is Big Bang? Proves the universe is expanding.
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