Science Questions
Explore questions in the Science category that you can ask Spark.E!
In our wintertime, the northern hemisphere is tilted most...
In our summertime, the northern hemisphere is tilted most...
What two planets are in the goldilocks zone?
What is the simplest life form we know?
What do we use to compare water in comets and asteroids with the water on Earth?
What are the two main chemical components of living organisms on Earth?
What processes change the surface of our planet?
oldest multicellular organism fossil (Grypania spiralis)
What does the fossil record tell you about the origin of life?
How is snowball Earth different from the ice ages?
What are the different metabolic classifications of life? Know how to classify organisms based on their metabolic needs.
What is not considered crucial for life to exist on some world?
How old are the oldest rocks on the Earth?
What major events took place during the Hadean Era?
In how many Eons do we divide the history of Earth?
The only moon in the solar system in the solar system with a thick atmosphere, it also has lakes of liquid methane and ethane
What are the main sources of ocean water?
How did oxygen (O2) get into Earth's atmosphere?
This moon of Neptune orbits "backward" compared to Neptune's rotation.
Life has existed for about ______ of Earth's History