Earth Science

Name:

Date:

Instructions: Test your knowledge of geology, weather, and our planet!

1.
What is the outermost layer of the Earth called?
A
Core
B
Mantle
C
Crust
D
Asthenosphere
2.
What type of rock is formed from cooled lava or magma?
A
Limestone
B
Igneous
C
Sedimentary
D
Metamorphic
3.
What scale is used to measure the magnitude of earthquakes?
A
Mohs scale
B
Kelvin scale
C
Beaufort scale
D
Richter scale
4.
What percentage of the Earth's surface is covered by water?
A
About 71%
B
About 51%
C
About 81%
D
About 61%
5.
What natural phenomenon is measured using the Beaufort scale?
A
Rainfall
B
Earthquakes
C
Temperature
D
Wind speed
6.
What is the name of the supercontinent that existed approximately 335-175 million years ago?
A
Laurasia
B
Gondwana
C
Rodinia
D
Pangaea
7.
What is the hardest natural mineral on Earth?
A
Diamond
B
Corundum
C
Topaz
D
Quartz
8.
What causes tides in the Earth's oceans?
A
Wind patterns
B
Gravitational pull of the Moon and Sun
C
Ocean currents
D
Earth's rotation alone
9.
The Ring of Fire, an area of frequent earthquakes and volcanic eruptions, encircles which ocean?
A
Pacific Ocean
B
Arctic Ocean
C
Atlantic Ocean
D
Indian Ocean
10.
What type of cloud is associated with thunderstorms and heavy precipitation?
A
Cirrus
B
Altostratus
C
Cumulonimbus
D
Stratus
11.
What is the term for the point on the Earth's surface directly above where an earthquake originates?
A
Epicenter
B
Focus
C
Seismic zone
D
Fault line
12.
What geological process is responsible for the formation of the Himalayas?
A
Glacial movement
B
Volcanic activity
C
Erosion
D
Continental drift and plate collision
13.
What is the Mohorovicic discontinuity (Moho)?
A
The center of the Earth
B
The boundary between the mantle and the core
C
The boundary between the crust and the mantle
D
A type of fault line
14.
What phenomenon causes the Earth's magnetic poles to switch places over geological time?
A
Continental drift
B
Geomagnetic reversal
C
Solar flares
D
Axial precession
15.
What is the approximate age of the Earth according to current scientific estimates?
A
6.5 billion years
B
4.5 billion years
C
8.5 billion years
D
2.5 billion years

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