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Rocks and Minerals

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

Which statement is true of all rocks?

a)

all rocks contain fossils

b)

all rocks have layers

c)

all rocks are composed of minerals

2.

In which type of rock are fossils generally found?

a)

igneous

b)

sedimentary

c)

metamorphic

3.

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?

a)

Serpentine

b)

Garnet

c)

Pyrite

4.

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?

a)

Early Horses

b)

Dinosaurs

c)

Trilobites

5.

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

a)

the continents were once joined together

b)

most life-forms that existed in the past are still present today

c)

most of the Earth's surface was once covered by molten rock

6.

Geologists use this term to describe how a rocks or mineral sample reflect light.

a)

color

b)

texture

c)

luster

7.

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?

a)

hardness

b)

streak

c)

color

8.

Geologists believe the Earth was formed about:

a)

5 thousand years ago

b)

5 million years ago

c)

5 billion years ago

9.

What caused the formation of mountain ranges and volcanoes on the west coasts of North America and South America?

a)

erosion by ocean waves

b)

collision of tectonic plates

c)

uneven heating of Earth's surface

10.

What am I?

All metals, all gems, sometimes their crystal shape forms a cube.

a)

rocks

b)

minerals

c)

plates

11.

The diagram shows a penny scratching the surface of the mineral calcite. Which property of the calcite is being tested?

a)

streak

b)

hardness

c)

reaction to acid

12.

Which physical property can be used to tell apart quartz from amphibole?

Streak or luster?

a)

Streak

b)

Luster

13.

The planet Earth has four main layers. Which layer of the Earth do geologists mine rocks and minerals?

a)

crust

b)

mantle

c)

outer core

d)

inner core

14.

Basalt is a rock that is formed when magma from volcanic eruptions cools and solidifies. What class (type) of rock is basalt?

a)

igneous rock

b)

metamorphic rock

c)

sedimentary rock

d)

sediments

15.

Identify one process required for the formation of an igneous rock.

a)

Metamorphism

b)

solidification

c)

burial and cementing

d)

deposition

16.

Identify one process required for the formation of a sedimentary rock.

a)

Metamorphism

b)

solidification

c)

burial and cementing

d)

deposition

17.

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.

a)

weathering and erosion

b)

solidification and melting

c)

heat and/or pressure

18.

What are the huge pieces of the Earth's crust called?

a)

inner core

b)

plates

c)

outer core

d)

Pacific

19.

Sometimes these huge pieces of crust crash into each other. What effect can the movement of Earth's crustal pieces produce?

a)

day and night

b)

high and low tides

c)

earthquakes and volcanic eruptions

d)

tornadoes and hurricanes

20.

The Earth's huge crustal pieces are constantly drifting and moving. On which layer are the plates drifting and moving on?

a)

crust

b)

mantle

c)

outer core

d)

innter core