Science -- Rocks Flashcards
Cooled magma forms _____.
igneous rock sedimentary rock metamorphic rock
igneous rock
Pieces of Earth material are called _____.
mineral crust sediments
sediments
Earth’s top layer is called the _____.
crust core mantle
crust
Magma that flows onto the surface of the Earth is called _____.
igneous rock mineral lava
lava
A rock formed from sediments that are pressed together is _____.
igneous rock sedimentary rock metamorphic rock
sedimentary rock
Earth’s middle layer is the _____.
core crust mantle
mantle
The innermost part of the Earth is the _____.
core mantle crust
core
A rock changed by heat and pressure is called _____.
igneous rock metamorphic rock sedimentary rock
metamorphic rock
Solid matter found in nature that is not made by plants or animals is a _____.
lava sediments mineral
mineral
Liquid Earth material is called _____.
sediments rock magma
magma
A solid made of minerals is a _____.
lava rock sediments
rock
Rocks are placed into three groups because of:
a) their color
b) their shape
c) the way they form
d) their hardness
c) the way they form
Slow cooling magma forms igneous rocks with:
a) small minerals
b) large minerals
c) no minerals
d) only one mineral
b) large minerals
Coal is an example of:
a) a mineral
b) an igneous rock
c) a metamorphic rock
d) a sedimentary rock
d) sedimentary rock
Earth’s crust is thickest:
a) under deserts
b) under mountains
c) on the ocean floor
d) along the sea shore
b) under mountains
Igneous rocks cool _____ underground.
slowly quickly
slowly
Igneous rocks cool _____on the surface.
slowly quickly
quickly
Sedimentary rocks are made underwater and may contain _____.
marbles seashells
seashells
Sedimentary rocks can be changed by time, heat, and pressure under the surface of the Earth to form _____ rocks.
igneous metamorphic
metamorphic
What are the 3 layers of the Earth from outside to inside?
crust, mantle, core
Wind, water, and ice move soil and rocks to cause _____.
rock cycle erosion soil
erosion
Rocks change from one type to another in the _____.
rock cycle igneous rocks mantle
rock cycle
The breaking down or wearing away of rocks is called _____.
glacier weathering sedimentary rocks
weathering
A large, moving mass of ice is a _____.
erosion weathering glacier
glacier