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FINDING THE AGE OF THE EARTH & ROCKS AND SOIL QUIZ

Total questions: 50

Worksheet time: 32mins

Name
Class
Date
1.
This type of rock is usually formed in layers.
a)
Igneous
b)
Sedimentary
c)
Metamorphic
2.
Most fossils are found in this type of rock.
a)
Igneous
b)
Sedimentary
c)
Metamorphic
3.
Sandstone is an example of this type of rock.
a)
Igneous
b)
Sedimentary
c)
Metamorphic
4.
Which of the following is an igneous rock?
a)
limestone
b)
gypsum
c)
gneiss
d)
basalt
5.

The outside part of our planet is called...

a)

CRUST

b)

BEDROCK

c)

SOIL

d)

MAGMA

6.

What type of rock is this?

a)

Sedimentary

b)

Igneous

c)

Metamorphic

d)

Sand

7.

Weathering is the breaking down of rock into ___________.

a)

boulders

b)

sediment

c)

ice

d)

mountains

8.

Which rocks come from volcanoes?

a)

metamorphic rocks

b)

sedimentary rocks

c)

igneous rocks

d)

bedrocks

9.

A student is investigating the textures of soils. Which soil feels the roughest?

a)

clay

b)

sand

c)

dirt

d)

silt

10.
Kim has a rock that contains the imprints of shells on it. What type of rock is it most likely?
a)
igneous
b)
sedimentary
c)
metamorphic
d)
volcanic
11.
Which is the hottest part of the Earth?
a)
The core
b)
The mantle
c)
The crust
d)
The Asthenosphere
12.
What layer is between the inner core and the mantle?
a)
asthenosphere
b)
crust
c)
outer core
d)
lithosphere
13.
Which is the coolest part of the planet?
a)
inner core
b)
outer core
c)
mantle
d)
crust
14.
Which two metals are thought to be found in the core?
a)
iron and steel
b)
iron and nickel
c)
gold and silver
d)
iron and copper
15.

As you get farther from the center of the Earth, the temperature _____________.

a)

increases

b)

decreases

c)

stays the same

16.
The molten rocks inside of volcano called....
a)
magma
b)
crystals
c)
granite
d)
diorite
17.
Soil are made from..
a)
rocks, sand, and humus
b)
rocks, mineral, and humus
c)
mineral, humus, and granite
d)
clay, rocks, and diorite
18.
The surface of earth is covered by a layer of rock. This layer is called the Earth's.....
a)
cover
b)
material
c)
outermost layer
d)
crust
19.
When magma reaches the surface of the Earth it is called...
a)
Lava
b)
Larva
c)
Igneous rock
d)
Basalts
20.
What type of rock is formed when magma and lava cools and hardens?
a)
minerals
b)
sedimentary
c)
igneous
d)
metamorphic
21.
Water gets into the cracks of rock and freezes, causing the rock to break.  What is this an example of?
a)
erosion
b)
weathering
22.
What process breaks down bedrock to begin soil formation?
a)
leaching
b)
weathering
c)
decomposition
d)
humus
23.
Scientists use radioactive decay to measure...
a)
relative time
b)
absolute time
c)
half-lives
d)
time of day
24.
The length of time required for half of the radioactive atoms in a sample to decay is its...
a)
era
b)
age
c)
half-life
d)
eon
25.
How does absolute age differ from relative age?
a)
only absolute dating indicates which rock is older than another
b)
only absolute dating finds the age in years
c)
only relative dating finds the age in years
26.
If the half-life of a radioactive group of atoms is 100 years, then how old is the rock if there have been two half-lives?
a)
25 years
b)
200 years
c)
400 years
d)
800 years
27.
The original element that undergoes radioactive decay is known as the...
a)
daughter element
b)
half-life
c)
parent element
d)
carbon-14
28.

The element that is the product of radioactive decay is known as the...

a)

daughter element

b)

half-life

c)

parent element

d)

carbon-14

29.
What element is usually used to date fossils?
a)
uranium-235
b)
carbon-14
c)
mercury-203
d)
thorium-234
30.
What element is usually used to date fossils?
a)
uranium-235
b)
carbon-14
c)
mercury-203
d)
thorium-234
31.
How old is the Earth?
a)
4.6 billion years
b)
1.4 billion years
c)
4.6 million years
d)
6000 years
32.

Which fossil is the youngest?

a)

fossil A

b)

fossil B

c)

fossil C

d)

fossils A and B are the same age

33.
This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
34.

Which layer of the Earth is made of iron and some nickel?

a)

crust

b)

mantle

c)

core

35.
Which physical layer is the thinnest?
a)
crust
b)
mantle
c)
core
36.
Which layer of the core is solid?
a)
inner
b)
outer
37.
Which layer is made up of iron and nickel?
a)
Crust
b)
Mantle
c)
Inner Core
d)
Lithosphere
38.
What is the correct layers of the earth starting with the surface?
a)
crust, outer core, inner core, mantle
b)
mantle, outer core, inner core ,crust
c)
crust, mantle, outer core, inner core
d)
outer core, inner core , crust, mantle
39.
Which layer of Earth is liquid metal?
a)
Outer Core
b)
Mantle
c)
Inner Core
d)
Asthenosphere
40.
Which is the hottest layer and has the most pressure on it?
a)
Crust
b)
Mantle
c)
Outer Core
d)
Inner core
41.
The layer of rock that forms Earth's outer skin.
a)
crust
b)
mantle
c)
core
42.
The layer of rock between the Earth's core and crust.
a)
outer core
b)
crust
c)
inner core
d)
mantle
43.
Solid metal layer at the center of the Earth.
a)
mantle
b)
outer core
c)
inner core
d)
crust
44.
Liquid metal layer that surrounds the Earth's inner core.
a)
inner core
b)
crust
c)
outer core
d)
mantle
45.

The _________ is the thickest layer.

a)

crust

b)

mantle

c)

outer core

d)

inner core

46.

The preserved remains or traces of organisms that lived in the past are ________________

a)

Fossils

b)

Extinct

c)

Gone forever

d)

Artifacts

47.

The study of fossils has allowed scientists to describe future environments and they history of our earth.

a)

True

b)

False

48.

The ____________ age of a rock is its age compared to other rocks

a)

Actual

b)

Relative

c)

Estimated

d)

Radioactive

49.

Geologists use ________________ dating to determine the ______________ ages of rocks.

a)

radioactive ; absolute

b)

radioactive ; relative

c)

radioactive ; predicted

d)

radioactive ; superposition

50.

What does it mean when a fossil is petrified?

a)

The fossil was preserved in ice

b)

The fossil was made in the water

c)

Minerals replace all or part of an organism

d)

The fossil was preserved with chemicals

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