WorksheetsRocks
Total questions: 15
Worksheet time: 8mins
---------------- is the thin outermost layer of the Earth.
Mantle
Core
Crust
Minerals: is a solid, naturals material made from ------------ substances in Earth’s crust.
living
nonliving
All rocks have the same colors.
True
False
These rocks are different in ------------.
shapes
textures
colors
The ------------------------ is the basis for classifying rocks into three main groups.
color
shape
formation process
Where is magma found?
inside Earth
on the surface of the Earth
How do extrusive igneous rocks form?
from lava that erupted onto Earth's surface
from magma that hardened beneath Earth's surface
Where is lava found?
on the surface of the Earth
inside Earth
How do intrusive igneous rocks form?
from lava that erupted onto Earth's surface
from magma that hardened beneath Earth's surface
Fine-grained igneous rocks with small crystals formed from-----------------.
slowly cooling magma
rapidly cooling lava
Coarse-grained igneous rocks with large crystals formed from -------------.
slow cooling magma
rapidly cooling lava
Is this igneous rock, porphyry, fine-grained or coarse-grained?
fine-grained
coarse-grained
Is this igneous rock, obsidian, fine-grained or coarse-grained?
coarse-grained
fine-grained
Rhyolite is a fine-grained, extrusive, igneous rock. How did it form?
rapidly cooling lava
slowly cooling magma
Pegmatite is a coarse-grained, intrusive, igneous rock. How did it form?
rapidly cooling lava
slowly cooling magma
