About this Study Set
This study set covers Physical Science through
25 practice questions.
A collection of easy, fact-based questions about physical science as it relates to Earth's geography and natural phenomena. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 25 questions from the
Global Physical Science Facts study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which layer of the Earth is located directly beneath the crust?
-
A
Core
-
B
Mantle
-
C
Atmosphere
-
D
Ocean
2
What is the primary gas that makes up the majority of Earth's atmosphere?
-
A
Oxygen
-
B
Carbon dioxide
-
C
Nitrogen
-
D
Hydrogen
3
Which continent is home to the largest desert in the world?
-
A
Africa
-
B
Asia
-
C
Australia
-
D
Antarctica
4
What force keeps objects on Earth pulled toward the center of the planet?
-
A
Magnetism
-
B
Gravity
-
C
Friction
-
D
Inertia
5
Which ocean is the largest on Earth?
-
A
Atlantic
-
B
Indian
-
C
Arctic
-
D
Pacific
6
What state of matter is the Earth's inner core primarily composed of?
-
A
Solid
-
B
Liquid
-
C
Gas
-
D
Plasma
7
At what temperature does pure water freeze at sea level?
-
A
10 degrees Celsius
-
B
5 degrees Celsius
-
C
0 degrees Celsius
-
D
32 degrees Celsius
8
What is the name of the imaginary line that divides Earth into the Northern and Southern Hemispheres?
-
A
Prime Meridian
-
B
Equator
-
C
Tropic of Cancer
-
D
Arctic Circle
9
Which layer of the atmosphere contains the ozone layer?
-
A
Troposphere
-
B
Stratosphere
-
C
Mesosphere
-
D
Thermosphere
10
What natural phenomenon is caused by the movement of tectonic plates?
-
A
Rainfall
-
B
Earthquakes
-
C
Tides
-
D
Wind
11
Which chemical element makes up the majority of the Earth's core by weight?
-
A
Gold
-
B
Iron
-
C
Aluminum
-
D
Silver
12
What is the main source of light and heat for the Earth?
-
A
The Moon
-
B
Volcanoes
-
C
The Sun
-
D
Geothermal vents
13
Which of these is considered a natural renewable energy source found in Iceland?
-
A
Geothermal
-
B
Coal
-
C
Natural Gas
-
D
Petroleum
14
Which process causes rocks to break down into smaller pieces over time?
-
A
Erosion
-
B
Evaporation
-
C
Condensation
-
D
Freezing
15
What covers approximately 71 percent of the Earth's surface?
-
A
Forests
-
B
Deserts
-
C
Water
-
D
Ice
16
What is the process called when liquid water turns into water vapor?
-
A
Precipitation
-
B
Evaporation
-
C
Freezing
-
D
Sublimation
17
Which of the following is the hardest natural substance found on Earth?
-
A
Gold
-
B
Diamond
-
C
Quartz
-
D
Talc
18
In which direction does the Earth rotate on its axis?
-
A
North to South
-
B
South to North
-
C
West to East
-
D
East to West
19
What type of rock is formed from cooled magma or lava?
-
A
Sedimentary
-
B
Igneous
-
C
Metamorphic
-
D
Fossilized
20
Which gas do plants primarily absorb from the atmosphere for photosynthesis?
-
A
Nitrogen
-
B
Oxygen
-
C
Carbon dioxide
-
D
Argon
21
What do we call a large mass of ice that moves slowly over land?
-
A
Glacier
-
B
Iceberg
-
C
Shelf
-
D
Tundra
22
What is the measurement of the total amount of salt dissolved in seawater?
-
A
Density
-
B
Salinity
-
C
Viscosity
-
D
Acidity
23
Which of these is the most common type of cloud found at low altitudes?
-
A
Cirrus
-
B
Cumulus
-
C
Altocumulus
-
D
Cirrostratus
24
What natural resource is extracted from deep underground and refined into gasoline?
-
A
Coal
-
B
Crude oil
-
C
Natural gas
-
D
Peat
25
Which planet's physical properties are most similar to Earth?
-
A
Mars
-
B
Venus
-
C
Jupiter
-
D
Saturn
