Layers of Earth
What are the four main layers of Earth?
Crust, mantle, outer core, inner core
What is the leading scientific theory for how the Moon formed?
Giant Impact Hypothesis
What was the cloud of gas and dust that our Solar System formed from called?
Solar Nebula
What are Ronan High School’s school colors?
Orange and black
How many states are in the United States?
50
Which layer of Earth is the thickest?
Mantle
What was the name of the Mars-sized object believed to have collided with early Earth?
Theia
What force caused the Solar Nebula to collapse and pull most of its material toward the center?
Gravity
What is the Name of the RHS Principal?
Mr. Kenelty
What is the largest planet in our Solar System?
Jupiter
Which layer is liquid, and what is it mostly made of?
Outer core; mostly iron and nickel
About how long ago did the Moon form?
About 4.5 billion years ago
What is the process called when small pieces of material collide and stick together, gradually building planets?
Accretion
What is the name of the stadium where Ronan plays its home football games?
LaVerne Parrish Stadium
What is the capital of Montana?
Helena
Why did iron sink toward Earth's center when early Earth was molten?
Iron is denser than most other materials
What important evidence supports the Giant Impact Hypothesis?
Moon rocks have a chemical/isotopic composition very similar to Earth’s mantle
Why did the Solar System flatten into a disc as it formed?
Centrifugal Forces caused the spinning material to flatten into a disc
What conference does Ronan High School compete in?
Northwestern A
What is the largest organ in the human body?
Skin
What is the name of the process that separated early Earth into layers based largely on density?
Differentiation
Why does the Moon have a much smaller iron core than Earth?
The Moon formed mostly from rocky mantle material thrown into orbit after the impact, while most of Earth’s dense iron remained in Earth
What had to begin inside the protostar before it became a true star—the Sun?
Nuclear fusion: hydrogen nuclei began fusing into helium
Who did Ronan Football play against at homecoming this year
Loyola Rams
What element has the chemical symbol He ?
Helium