No student devices needed. Know more
10 questions
Which of the following refers to Earth's outermost layer?
crust
mantle
inner core
outer core
Which of the following refers to Earth's largest layer?
crust
mantle
outer core
inner core
Which of the following Earth's layers is composed of molten iron and nickel?
crust
mantle
outer core
inner core
Which of the following Earth's layers is composed of a dense sphere of solid nickel and iron?
crust
mantle
outer core
inner core
Which of the following refers to the theory that says that the continents have not always been in their present locations but have moved there over millions of years?
Plate Tectonics Theory
Continental Drift Theory
Sea-floor spreading
Contiguity Theory
Which of the following refers to molten rocks beneath Earth's surface?
lava
magma
geyser
geode
What is the name of the single landmass that broke apart 200 million years ago and gave rise to today's continents?
Laurasia
Atlantis
Pangaea
Gondwanaland
Which of the following refers to the rigid layer that is made up of the uppermost part of the mantle and the crust?
magnetosphere
biosphere
asthenosphere
lithosphere
All rocks under the crust are molten.
True
False
Crust is thinner under the ocean.
True
False