Shared Flashcard Set

Details

Layers of the Earth
Intro to the Earth's layers and geology
16
Science
3rd Grade
04/30/2015

Additional Science Flashcards

 


 

Cards

Term
What are geologists?
Definition
scientists who study the Earth’s layers
Term
What does it mean to hypothesize?
Definition
make an educated guess
Term
Is the Earth liquid or solid all the way through?
Definition
Neither; it is made up of different layers; some are solid; some are liquid; and some are both.
Term
How many layers does the Earth have?
Definition
Three
Term
Name the layers of the Earth.
Definition
the crust, the mantle and the (inner and outer) core
Term
In what ways do the Earth’s layers differ?
Definition
in width and temperature
Term
What is the thin outer layer of the Earth called?
Definition
the crust
Term
What is the crust made of?
Definition
mostly rock
Term
What is the layer just below the crust?
Definition
the mantle
Term
What is the mantle made of?
Definition
mostly of solid rock
Term
What is the layer at the center of the Earth?
Definition
the core
Term
How hot is the core?
Definition
extremely hot, about 7,200°F
Term
How many layers is the core divided into?
Definition
two – the outer core and the inner core
Term
Which layer is liquid?
Definition
the outer core
Term
What is the outer core made of?
Definition
the metals nickel and iron
Term
What is the inner core made of?
Definition
solid nickel and iron
Supporting users have an ad free experience!