Space and Beyond
This color of star is the hottest.
What is blue?
This is what the early Earth was like.
What is: high temperatures, fires, meteor impacts?
This is the hottest layer of the Earth.
What is the inner core?
This is the source of energy on Earth.
What is the sun/solar radiation?
The process of water being heated by the sun and turning to gas.
What is evaporation?
How the size of a star is related to its luminosity (brightness).
What is bigger stars are brighter?
This is the age of the Earth.
What is 4.6 billion years?
This layer of Earth is made of molten iron and nickel.
What is the outer core?
These are the gases that trap solar radiation in the atmosphere.
What are greenhouse gases?
What is matching fossils, matching coastlines, matching mountain formations?
This is the shape of the orbit of planets in our solar system.
What is an ellipse?
This is a piece of evidence scientists look at to see what the early Earth looked like.
What is fossils, meteors, banded iron formations,..
This is the process that occurs in the mantle, moving tectonic plates.
What is convection?
This is a consequence of increasing greenhouse gases on Earth.
What is melting ice caps, severe weather patterns, desertification, increased wildfires, loss of crops..?
The order of the planets in our solar system.
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune?
This is what we know from the redshift of galaxies.
What is they are moving away from us/the universe is expanding?
This was the most common gas in Earth's earliest atmosphere.
What is carbon dioxide?
This is the phenomena created by convection currents in the outer core of the Earth.
What is Earth's magnetic field?
This is Earth's energy budget.
What is 70/30?
The reflectiveness of a surface.
What is albedo?
These are the two main elements used by the sun for nuclear fusion.
What are hydrogen and helium?
This was what happened during the Great Oxidation Event.
What is the Earth began to develop oxygen?
These are the five physical layers of the Earth.
What is the lithosphere, asthenosphere, mesosphere, outer core, and inner core?
These are the three greenhouse gases with the largest impact on Earth.
Methane, carbon dioxide, and water vapor.
The force that causes planets to orbit around the sun.
What is centripetal force?