Inside The Earth/ Unit 1 Question Preview (ID: 18460)


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Which layer of the earth is made up of tectonic plates?
a) Asthenosphere
b) Mantle
c) Lithosphere
d) Core

Scientists are able to study the __________ through active volcanoes.
a) Mantle
b) Crust
c) Outer Core
d) Inner Core

Scientists believe that the earth’s core is made mostly of __________________.
a) Silicon and Oxygen
b) Silicon and Magnesium
c) Only Liquid Iron
d) Liquid and Solid Iron

Which of the following best describes the material that makes up the earth’s asthenosphere?
a) A rigid solid
b) A solid that is able to flow
c) A liquid at high temperature
d) A gas under great pressure

Which layer has the highest temperature, pressure, and density?
a) Crust
b) Mantle
c) Core
d) Mesosphere

The crust of the earth is made mostly of ________
a) Silicon and Oxygen
b) Silicon and Magnesium
c) Only Liquid Iron
d) Liquid and Solid Iron

The layer that makes up most of the earth’s mass and volume is the _________.
a) Crust
b) Mantle
c) Magma
d) Core

Which layers are in a liquid state?
a) Crust and inner core
b) Crust and outer core
c) Inner core and outer core
d) Outer core and mantle

What happens to temperature, density, and pressure as you move from the crust to the core?
a) they decrease
b) they increase
c) nothing
d) they increase and decrease

Which has the most amount of pressure?
a) Crust
b) Mantle
c) Core
d) Mesosphere

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