Outer Core
The outer core is responsible for Earth's magnetic field. True or False?
True.
What is the crust mainly made of?
Dirt and/or Rocks.
The mantle can be compared to what? (HINT: Comic "Puzzling Continents Convection Currents")
A lava lamp.
The core is the coldest part of the planet. True or False?
False.
A ______ ______ is widely spread and has a short life span.
index fossil
The outer core is the ______ layer of the Earth.
third
Is the crust thin or thick compared to the other layers?
Thin.
Is the mantle molten?
No.
What is the inner core mostly made out of?
Iron.
Fossils were used as evidence that Pangaea existed. True or False?
True.
What era did the crust start cooling?
Precambrian.
What happens inside the mantle?
Magma moves, called convection currents.
Is the Earth's inner core solid?
This dates fossils, not the exact age.
Relative Dating.
This dates the EXACT AGE of a fossil.
Radiometric/Radio Carbon Dating.
State the definition of fossil.
The remains or traces of plants and animals that lived long ago.