Need to Know # 3 ~ The Earth’s Interior, The Earth’s Crust
Answer the following questions using Chapters 4 and 5 of Planet Earth.
1. Draw and label a diagram of the layered interior of the Earth. You must use the
following labels: solid inner core, liquid outer core, mesosphere, asthenosphere,
mantle, crust and lithosphere.
Answer the following multiple choice questions.
2. An element is …
a) any consolidated mixture of one or more minerals.
b) a material that cannot be subdivided or broken down by ordinary chemical means
into simpler materials.
c) pointless to study in a physical geography course
d) formed when two or more elements combine in a crystalline structure.
3. A mineral is …
a) any consolidated mixture of one or more minerals.
b) a material that cannot be subdivided or broken down by ordinary chemical means
into simpler materials.
c) pointless to study in a physical geography course
d) formed when two or more elements combine in a crystalline structure.
4. A rock is …
a) any consolidated mixture of one or more minerals.
b) a material that cannot be subdivided or broken down by ordinary chemical means
into simpler materials.
c) pointless to study in a physical geography course
d) formed when two or more elements combine in a crystalline structure.
5. The rock cycle is …
a) an example of an ecosystem
b) the process that causes earthquakes
c) the process of replacing older rocks with new ones
d) an example of the effects climate has on the earth’s surface
6. The rock class that makes up the majority of the earth’s crust is …
a) Igneous
b) Sedimentary
c) Metamorphic
d) none of the above
7. Igneous rocks are …
a) created by the great heat and pressure associated with mountain building and
volcanic activity.
b) not found on this planet
c) formed from magma and may be either intrusive or extrusive based on where, and
how quickly, they cool.
d) formed from particles of rock materials that have been transported to new
locations.
8. Examples of igneous rocks are …
a) gneiss and marble
b) limestone and sandstone
c) slate and coal
d) obsidian and pumice
9. Sedimentary rocks are …
a) created by the great heat and pressure associated with mountain building and
volcanic activity.
b) not found on this planet
c) formed from magma and may be either intrusive or extrusive based on where, and
how quickly, they cool.
d) formed from particles of rock materials that have been transported to new
locations.
10. Clastic sedimentary rocks are …
a) chemical or organic sediments that are made up of animal or plant remains.
b) composed of both organic and inorganic sediments
c) inorganic sediments that are carried by the world’s rivers into lakes, seas and
oceans.
d) formed when a volcano erupts.
11. Non-clastic sedimentary rocks are
a) chemical or organic sediments that are made up of animal or plant remains.
b) composed of both organic and inorganic sediments
c) inorganic sediments that are carried by the world’s rivers into lakes, seas and
oceans.
d) formed when a volcano erupts.
12. The process of compacting and cementing of sediments is called …
a) lithification
b) gluing
c) foliation
d) the rock cycle
13. Examples of sedimentary rocks are …
a) gneiss and marble
b) limestone and sandstone
c) slate and coal
d) obsidian and pumice
14. Metamorphic Rocks are …
a) created by the great heat and pressure associated with mountain building and
volcanic activity.
b) not found on this planet
c) formed from magma and may be either intrusive or extrusive based on where, and
how quickly, they cool.
d) formed from particles of rock materials that have been transported to new
locations.
15. Examples of metamorphic rocks are …
a) gneiss and marble
b) limestone and sandstone
c) slate and coal
d) obsidian and pumice