1|Page
BYU EARTH SCIENCE FINAL EXAM 2025| BRAND
NEW ACTUAL EXAM WITH 100% VERIFIED
QUESTIONS AND CORRECT SOLUTIONS|
GUARANTEED VALUE PACK| ACE YOUR GRADES.
Why is it important for us to understand how the natural systems around us
work? - (answer)so that we will not damage them and harm ourselves.
Why does the climate on Earth change as it rotates around the sun? -
(answer)Earth is tilted, and the part that receives the most sunlight changes as
Earth orbits the sun.
Which of the following is the best definition for biosphere? - (answer)the living
part of the earth
If you lived on a planet near the core of a galaxy, what would the night sky
probably look like? - (answer)It would have significantly more stars than what we
see at night from Earth.
Sand - (answer)Abiotic
Bacteria - (answer)Biotic
Mushroom - (answer)Biotic
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Wind - (answer)Abiotic
What shape is our solar system? - (answer)round and flat like a CD
How does light and heat energy travel from the sun to the earth? - (answer)in the
form of electromagnetic waves
What is not found in a galaxy? - (answer)Universes
Which of the following systems would include rivers, lakes, ice caps, and
groundwater? - (answer)hydrosphere
Which of the following must be part of a functional system? - (answer)Energy
What force holds the planets in orbit around the sun? - (answer)Gravity
Where is Earth located in the Milky Way galaxy? - (answer)Spiral arm
How is the lithosphere different from the mantle? - (answer)The mantle is very
hot, which causes the lithosphere to move. The lithosphere is the solid crust on
top of the earth.
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As Earth moves farther from the sun in its orbit, how does the sun's gravitational
force on the earth change? - (answer)The force of gravity decreases.
What is the difference between chemosynthesis and photosynthesis? -
(answer)In photosynthesis, sunlight is used to create food energy In
chemosynthesis, heat is used to create food energy.
Which planet has a climate that is similar to Earth's climate? - (answer)Mars
Which of the following is the best definition of lithosphere? - (answer)the crust or
top layer of rock—both ocean floor and continents
What is the most common element in the universe? - (answer)Hydrogen
What force holds stars and planets together in a galaxy? - (answer)the force of
gravity
Which of the following is the best definition of atmosphere? - (answer)the air
around the earth
Which are the four terrestrial (Earth-like) planets? - (answer)Mercury, Venus,
Earth, Mars
BYU EARTH SCIENCE FINAL EXAM 2025| BRAND
NEW ACTUAL EXAM WITH 100% VERIFIED
QUESTIONS AND CORRECT SOLUTIONS|
GUARANTEED VALUE PACK| ACE YOUR GRADES.
Why is it important for us to understand how the natural systems around us
work? - (answer)so that we will not damage them and harm ourselves.
Why does the climate on Earth change as it rotates around the sun? -
(answer)Earth is tilted, and the part that receives the most sunlight changes as
Earth orbits the sun.
Which of the following is the best definition for biosphere? - (answer)the living
part of the earth
If you lived on a planet near the core of a galaxy, what would the night sky
probably look like? - (answer)It would have significantly more stars than what we
see at night from Earth.
Sand - (answer)Abiotic
Bacteria - (answer)Biotic
Mushroom - (answer)Biotic
,2|Page
Wind - (answer)Abiotic
What shape is our solar system? - (answer)round and flat like a CD
How does light and heat energy travel from the sun to the earth? - (answer)in the
form of electromagnetic waves
What is not found in a galaxy? - (answer)Universes
Which of the following systems would include rivers, lakes, ice caps, and
groundwater? - (answer)hydrosphere
Which of the following must be part of a functional system? - (answer)Energy
What force holds the planets in orbit around the sun? - (answer)Gravity
Where is Earth located in the Milky Way galaxy? - (answer)Spiral arm
How is the lithosphere different from the mantle? - (answer)The mantle is very
hot, which causes the lithosphere to move. The lithosphere is the solid crust on
top of the earth.
, 3|Page
As Earth moves farther from the sun in its orbit, how does the sun's gravitational
force on the earth change? - (answer)The force of gravity decreases.
What is the difference between chemosynthesis and photosynthesis? -
(answer)In photosynthesis, sunlight is used to create food energy In
chemosynthesis, heat is used to create food energy.
Which planet has a climate that is similar to Earth's climate? - (answer)Mars
Which of the following is the best definition of lithosphere? - (answer)the crust or
top layer of rock—both ocean floor and continents
What is the most common element in the universe? - (answer)Hydrogen
What force holds stars and planets together in a galaxy? - (answer)the force of
gravity
Which of the following is the best definition of atmosphere? - (answer)the air
around the earth
Which are the four terrestrial (Earth-like) planets? - (answer)Mercury, Venus,
Earth, Mars
