WorksheetsRocks and Minerals
Total questions: 20
Worksheet time: 20mins
Which statement is true of all rocks?
all rocks contain fossils
all rocks have layers
all rocks are composed of minerals
In which type of rock are fossils generally found?
igneous
sedimentary
metamorphic
Use chart to answer question 3:
David went camping in the Adirondacks, he found a small green rock. The rock made a white streak, and i could be scratched with a penny. What is the name of the rock David found?
Serpentine
Garnet
Pyrite
The diagram shows fossils and the rock layers in which they are found. Which fossil is considered the most recent (newest) in the cross section shown?
Early Horses
Dinosaurs
Trilobites
Scientists have discovered fossils of the same organisms, living during the same time period, in many different parts of the world. These fossils provide evidence that
the continents were once joined together
most life-forms that existed in the past are still present today
most of the Earth's surface was once covered by molten rock
Geologists use this term to describe how a rocks or mineral sample reflect light.
color
texture
luster
The property of two minerals is being determined in the diagram. Geologists perform this test to identify a mineral's true color. Which property is being shown by the color of the powder each leaved on the ceramic tile?
hardness
streak
color
Geologists believe the Earth was formed about:
5 thousand years ago
5 million years ago
5 billion years ago
What caused the formation of mountain ranges and volcanoes on the west coasts of North America and South America?
erosion by ocean waves
collision of tectonic plates
uneven heating of Earth's surface
What am I?
All metals, all gems, sometimes their crystal shape forms a cube.
rocks
minerals
plates
The diagram shows a penny scratching the surface of the mineral calcite. Which property of the calcite is being tested?
streak
hardness
reaction to acid
Which physical property can be used to tell apart quartz from amphibole?
Streak or luster?
Streak
Luster
The planet Earth has four main layers. Which layer of the Earth do geologists mine rocks and minerals?
crust
mantle
outer core
inner core
Basalt is a rock that is formed when magma from volcanic eruptions cools and solidifies. What class (type) of rock is basalt?
igneous rock
metamorphic rock
sedimentary rock
sediments
Identify one process required for the formation of an igneous rock.
Metamorphism
solidification
burial and cementing
deposition
Identify one process required for the formation of a sedimentary rock.
Metamorphism
solidification
burial and cementing
deposition
Earth's processes can change a sedimentary rock like limestone into marble, a metaphoric rock. Name one process that causes a sedimentary rock to change into a metaphoric rock.
weathering and erosion
solidification and melting
heat and/or pressure
What are the huge pieces of the Earth's crust called?
inner core
plates
outer core
Pacific
Sometimes these huge pieces of crust crash into each other. What effect can the movement of Earth's crustal pieces produce?
day and night
high and low tides
earthquakes and volcanic eruptions
tornadoes and hurricanes
The Earth's huge crustal pieces are constantly drifting and moving. On which layer are the plates drifting and moving on?
crust
mantle
outer core
innter core
