Chapter 7 ReviewRocks and Minerals
A. color
B. Texture
One way to tell rocks apart is by looking at the size of the bits of minerals that make up each rock. What is this physical property called?
texture
A. Pressure over time binds sediments into rocks.
B. Heat and/or pressure change the minerals in a rock.
How is metamorphic rock formed?
Heat and/or pressure change the minerals in a rock.
A. Sedimentary
B. Metamorphic
What kind of rock forms in layers?
Sedimentary
A. clay
B. sand
Which type of particles found in soil are the smallest?
clay
A. topsoil
B. subsoil
What layer of soil includes rock particles mixed with the dark products of decay?
topsoil
A. Halite
B. Quartz
What mineral is crushed and ground into salt that is used to season food?
halite
A. color and luster
B. hardness and streak
Which two properties would be best to use to identify a mineral?
hardness and streak
A. rainfall
B. decay of plants and animals
Where do the nutrients in the soil mainly come from?
Decay of plants and animals
A. the top layer
B. the middle layer
C. the bottom layer
In which layer will the oldest fossil most likely be found?
the bottom layer
A. igneous
B. sedimentary
What is rock called that is formed in bits of rocky matter that settle to the bottom of rivers, lakes, and oceans?
sedimentary
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