Geology
What do we call the study of the Earth?
geology
What is the layer closest to the surface of the Earth called?
the crust
What is a mountain formed by magma released through an opening in the Earth’s crust called?
a volcano
What are rocks made of?
minerals
What are the 3 types of rock?
igneous, sedimentary, and metamorphic
What do we call someone who studies the Earth?
a geologist
What is the name of the layer that is below the crust?
the mantle
What is the liquid rock that comes out of a volcano called?
lava
What are the names of two of the minerals that you heard about?
quartz, ruby, sapphire, emerald, diamond, OR salt
How are igneous rocks formed?
by heat
How are rocks used by people?
in jewelry making, building, art
What is the innermost layer called?
the core
What is liquid rock called when it is inside the mantle?
magma
What are precious stones used in jewelry called?
gemstones
How are sedimentary rocks formed?
by pressure that forms layers
What are the 3 things that cause change?
heat, pressure, and time
On which layer of the Earth do we live?
the surface of the crust
What is a place where steam and hot water erupt from the Earth called?
a geyser
Where might you find the mineral salt?
in oceans OR in the earth
What kind of rock is formed when another rock has been heated or pressed??
metamorphic rock
What is inside the earth?
layers and a lot of rock
What are the names of the layers of the Earth?
the crust, the mantle, the outer core, and the inner core
What is Old Faithful?
a well-known geyser (in Yellowstone National Park)
What common mineral is used by people to flavor food OR to make roads safer during winter storms?
salt
How are the 3 types of rocks similar?
they are all found in the earth OR they are formed over time