Praxis Science 5905 Study Guide EXAM MOST TESTED QUESTIONS AND
VERIFIED SOLUTIONS/GET IT 100% ACCURATE!! 2026!!
_____________________ is the study of the history of life on Earth. - (ANSWER)Paleontology
Earth is believed to be _________________________________. - (ANSWER)4.5 billion years old
protects Earth from harmful solar wind particles; responsible for the Northern Lights (Aurora Borealis);
lies deep within the Earth - (ANSWER)Earth's Magnetic Field
charged particles escape from the sun's gravitational pull - (ANSWER)Solar Wind
What would be most different about an object on Mars than Earth? - (ANSWER)Weight
What are the four inner planets: solid, liquid, or gas? - (ANSWER)Solid
What are the four outer planets: solid, liquid, or gas? - (ANSWER)Gas (MVEM(Mars)JSUN)
________________ is the left over remains of a star after it explodes - (ANSWER)Super Nova
_________________ is the study of space - (ANSWER)Astronomy
____________ is the star at the center of Earth's solar system - (ANSWER)Sun
What is the sun made of? - (ANSWER)Hydrogen and Helium
How many Earth's could fit into the Sun? - (ANSWER)109
,Praxis Science 5905 Study Guide EXAM MOST TESTED QUESTIONS AND
VERIFIED SOLUTIONS/GET IT 100% ACCURATE!! 2026!!
Define Nuclear Fusion. - (ANSWER)how the sun produces heat and shines; when lighter elements
become heavier
True or False: Earth is much closer to the sun than other planets? - (ANSWER)True
______________________ is how heat goes from sun to Earth. - (ANSWER)Radiation
Includes asteroids and comets which are small rocky or icy objects that orbit the sun and are clustered
into the _______________ ________________ and found between the orbits of Mars and Jupiter. -
(ANSWER)Asteroid Belt
Our solar system is part of a bigger star system called a __________________. - (ANSWER)Galaxy
A _________________ is made up of stars, dust, and gas. - (ANSWER)Galaxy
The galaxy that is home to Earth is known as the ___________________________. - (ANSWER)Milky
Way
The planet that is closest to Earth's size is _______________. - (ANSWER)Venus
A _______________ is mostly made of ice, dust, and gas. - (ANSWER)Comet
A________________ is a light flashing in the sky from space. - (ANSWER)Meteoroid
What will happen if you drop a ball from space? - (ANSWER)It will fall slower and take longer
,Praxis Science 5905 Study Guide EXAM MOST TESTED QUESTIONS AND
VERIFIED SOLUTIONS/GET IT 100% ACCURATE!! 2026!!
How long will it be before we see a star that explodes 15 light years away? - (ANSWER)15 years
The planet that orbits closer to Earth - (ANSWER)Venus
The planet that has the shortest days - (ANSWER)Jupiter
The terrestrial planet - (ANSWER)Mercury
The planet with the most abnormal tilt on the axis - (ANSWER)Uranus
What causes Earth's days and times to differ? - (ANSWER)The tilt of Earth's axis
What does fossil fuels and volcanic activity do? - (ANSWER)It releases carbon dioxide into Earth's
atmosphere
What is the largest planet that is farthest from the sun? - (ANSWER)Neptune
What causes the color of Neptune? - (ANSWER)Methane
True or False: Neptune has the shortest orbit around the sun? - (ANSWER)False
What two planets are known as the gas giants? - (ANSWER)Saturn and Jupiter
What other planet is known as an "ice giant" along with Neptune? - (ANSWER)Uranus
, Praxis Science 5905 Study Guide EXAM MOST TESTED QUESTIONS AND
VERIFIED SOLUTIONS/GET IT 100% ACCURATE!! 2026!!
How many days does it take for Earth to rotate on its axis? - (ANSWER)one
How long does it take for Earth to revolve around the sun? - (ANSWER)one year
What causes seasons on Earth? - (ANSWER)Earth's tilt
How long does it take for the moon to revolve around Earth? - (ANSWER)27 days (one month)
Why does the Earth see different phases of the moon? - (ANSWER)Because the sun lights different parts
of the moon
What is Earth's largest quantity of gas? - (ANSWER)Nitrogen
What percentage of Earth's atmosphere is made up of Nitrogen? - (ANSWER)78%
____________________________ is then the Earth moves between the moon and sun - (ANSWER)Lunar
Eclipse
___________________________ is when the moon moves between the Earth and sun - (ANSWER)Solar
Eclipse
What is the most common element in the universe? - (ANSWER)Carbon
a _______________________ is a massive star with a gravitational field so strong that even light cannot
escape - (ANSWER)Black Hole
VERIFIED SOLUTIONS/GET IT 100% ACCURATE!! 2026!!
_____________________ is the study of the history of life on Earth. - (ANSWER)Paleontology
Earth is believed to be _________________________________. - (ANSWER)4.5 billion years old
protects Earth from harmful solar wind particles; responsible for the Northern Lights (Aurora Borealis);
lies deep within the Earth - (ANSWER)Earth's Magnetic Field
charged particles escape from the sun's gravitational pull - (ANSWER)Solar Wind
What would be most different about an object on Mars than Earth? - (ANSWER)Weight
What are the four inner planets: solid, liquid, or gas? - (ANSWER)Solid
What are the four outer planets: solid, liquid, or gas? - (ANSWER)Gas (MVEM(Mars)JSUN)
________________ is the left over remains of a star after it explodes - (ANSWER)Super Nova
_________________ is the study of space - (ANSWER)Astronomy
____________ is the star at the center of Earth's solar system - (ANSWER)Sun
What is the sun made of? - (ANSWER)Hydrogen and Helium
How many Earth's could fit into the Sun? - (ANSWER)109
,Praxis Science 5905 Study Guide EXAM MOST TESTED QUESTIONS AND
VERIFIED SOLUTIONS/GET IT 100% ACCURATE!! 2026!!
Define Nuclear Fusion. - (ANSWER)how the sun produces heat and shines; when lighter elements
become heavier
True or False: Earth is much closer to the sun than other planets? - (ANSWER)True
______________________ is how heat goes from sun to Earth. - (ANSWER)Radiation
Includes asteroids and comets which are small rocky or icy objects that orbit the sun and are clustered
into the _______________ ________________ and found between the orbits of Mars and Jupiter. -
(ANSWER)Asteroid Belt
Our solar system is part of a bigger star system called a __________________. - (ANSWER)Galaxy
A _________________ is made up of stars, dust, and gas. - (ANSWER)Galaxy
The galaxy that is home to Earth is known as the ___________________________. - (ANSWER)Milky
Way
The planet that is closest to Earth's size is _______________. - (ANSWER)Venus
A _______________ is mostly made of ice, dust, and gas. - (ANSWER)Comet
A________________ is a light flashing in the sky from space. - (ANSWER)Meteoroid
What will happen if you drop a ball from space? - (ANSWER)It will fall slower and take longer
,Praxis Science 5905 Study Guide EXAM MOST TESTED QUESTIONS AND
VERIFIED SOLUTIONS/GET IT 100% ACCURATE!! 2026!!
How long will it be before we see a star that explodes 15 light years away? - (ANSWER)15 years
The planet that orbits closer to Earth - (ANSWER)Venus
The planet that has the shortest days - (ANSWER)Jupiter
The terrestrial planet - (ANSWER)Mercury
The planet with the most abnormal tilt on the axis - (ANSWER)Uranus
What causes Earth's days and times to differ? - (ANSWER)The tilt of Earth's axis
What does fossil fuels and volcanic activity do? - (ANSWER)It releases carbon dioxide into Earth's
atmosphere
What is the largest planet that is farthest from the sun? - (ANSWER)Neptune
What causes the color of Neptune? - (ANSWER)Methane
True or False: Neptune has the shortest orbit around the sun? - (ANSWER)False
What two planets are known as the gas giants? - (ANSWER)Saturn and Jupiter
What other planet is known as an "ice giant" along with Neptune? - (ANSWER)Uranus
, Praxis Science 5905 Study Guide EXAM MOST TESTED QUESTIONS AND
VERIFIED SOLUTIONS/GET IT 100% ACCURATE!! 2026!!
How many days does it take for Earth to rotate on its axis? - (ANSWER)one
How long does it take for Earth to revolve around the sun? - (ANSWER)one year
What causes seasons on Earth? - (ANSWER)Earth's tilt
How long does it take for the moon to revolve around Earth? - (ANSWER)27 days (one month)
Why does the Earth see different phases of the moon? - (ANSWER)Because the sun lights different parts
of the moon
What is Earth's largest quantity of gas? - (ANSWER)Nitrogen
What percentage of Earth's atmosphere is made up of Nitrogen? - (ANSWER)78%
____________________________ is then the Earth moves between the moon and sun - (ANSWER)Lunar
Eclipse
___________________________ is when the moon moves between the Earth and sun - (ANSWER)Solar
Eclipse
What is the most common element in the universe? - (ANSWER)Carbon
a _______________________ is a massive star with a gravitational field so strong that even light cannot
escape - (ANSWER)Black Hole
