About this Study Set
This study set covers Science through
25 practice questions.
A collection of verified scientific facts covering biology, physics, chemistry, and astronomy. 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
Scientific Trivia Facts study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which chemical element has the highest thermal conductivity of any known substance?
-
A
Silver
-
B
Diamond
-
C
Copper
-
D
Gold
2
What is the term for the process by which plants convert light energy into chemical energy?
-
A
Respiration
-
B
Transpiration
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C
Photosynthesis
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D
Fermentation
3
Which planet in our solar system has the most extensive ring system?
-
A
Jupiter
-
B
Saturn
-
C
Uranus
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D
Neptune
4
What is the most abundant gas in Earth's atmosphere?
-
A
Oxygen
-
B
Carbon Dioxide
-
C
Argon
-
D
Nitrogen
5
Which subatomic particle carries a negative electric charge?
-
A
Proton
-
B
Neutron
-
C
Electron
-
D
Positron
6
What is the hardest natural material on the Mohs scale of mineral hardness?
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A
Quartz
-
B
Topaz
-
C
Corundum
-
D
Diamond
7
Which organ in the human body is responsible for detoxifying chemicals and metabolizing drugs?
-
A
Liver
-
B
Kidney
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C
Pancreas
-
D
Spleen
8
What is the primary gas that makes up the atmosphere of Mars?
-
A
Oxygen
-
B
Nitrogen
-
C
Carbon Dioxide
-
D
Methane
9
Which unit of measurement is defined as the force required to accelerate a mass of one kilogram at a rate of one meter per second squared?
-
A
Joule
-
B
Watt
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C
Newton
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D
Pascal
10
What type of rock is formed from the cooling and solidification of molten magma or lava?
-
A
Sedimentary
-
B
Metamorphic
-
C
Igneous
-
D
Conglomerate
11
Which vitamin is synthesized by the human body upon exposure to sunlight?
-
A
Vitamin A
-
B
Vitamin C
-
C
Vitamin D
-
D
Vitamin K
12
What is the study of fungi called?
-
A
Botany
-
B
Mycology
-
C
Zoology
-
D
Entomology
13
Which part of the cell is known as the powerhouse because it generates most of the cell's supply of adenosine triphosphate (ATP)?
-
A
Nucleus
-
B
Ribosome
-
C
Mitochondrion
-
D
Lysosome
14
What is the boiling point of water at sea level on the Celsius scale?
-
A
50°C
-
B
80°C
-
C
90°C
-
D
100°C
15
Which planet is known as the 'Red Planet'?
-
A
Venus
-
B
Jupiter
-
C
Mars
-
D
Saturn
16
What is the chemical symbol for the element Gold?
17
Which scale is used to measure the intensity of earthquakes?
-
A
Beaufort scale
-
B
Richter scale
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C
Saffir-Simpson scale
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D
Fujita scale
18
What is the process by which a gas changes into a liquid?
-
A
Evaporation
-
B
Sublimation
-
C
Condensation
-
D
Deposition
19
Which galaxy is the closest large spiral galaxy to the Milky Way?
-
A
Triangulum
-
B
Andromeda
-
C
Whirlpool
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D
Sombrero
20
What is the name of the phenomenon where light bends when passing from one medium to another?
-
A
Reflection
-
B
Diffraction
-
C
Refraction
-
D
Polarization
21
Which blood type is known as the universal donor?
22
What is the largest species of shark currently in existence?
-
A
Great White Shark
-
B
Whale Shark
-
C
Tiger Shark
-
D
Hammerhead Shark
23
Which gas do plants primarily absorb from the atmosphere for photosynthesis?
-
A
Oxygen
-
B
Nitrogen
-
C
Carbon Dioxide
-
D
Hydrogen
24
What is the speed of light in a vacuum, approximately?
-
A
300,000 km/s
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B
150,000 km/s
-
C
450,000 km/s
-
D
600,000 km/s
25
Which group of vertebrates are characterized by having feathers?
-
A
Mammals
-
B
Reptiles
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C
Amphibians
-
D
Birds
