Praxis Science 5905 Study Guide Exam
Questions Verified Marking Scheme
Current Update (Verified A+ Pass)
_____________________ is the study of the history of life on Earth. - Answers -✔✔
Paleontology
Earth is believed to be _________________________________. - Answers -✔✔ 4.5
billion years old
protects Earth from harmful solar wind particles; responsible for the Northern Lights
(Aurora Borealis); lies deep within the Earth - Answers -✔✔ Earth's Magnetic Field
charged particles escape from the sun's gravitational pull - Answers -✔✔ Solar Wind
What would be most different about an object on Mars than Earth? - Answers -✔✔
Weight
What are the four inner planets: solid, liquid, or gas? - Answers -✔✔ Solid
What are the four outer planets: solid, liquid, or gas? - Answers -✔✔ Gas
(MVEM(Mars)JSUN)
________________ is the left over remains of a star after it explodes - Answers -✔✔
Super Nova
_________________ is the study of space - Answers -✔✔ Astronomy
____________ is the star at the center of Earth's solar system - Answers -✔✔ Sun
What is the sun made of? - Answers -✔✔ Hydrogen and Helium
How many Earth's could fit into the Sun? - Answers -✔✔ 109
Define Nuclear Fusion. - Answers -✔✔ 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? - Answers -✔✔ True
______________________ is how heat goes from sun to Earth. - Answers -✔✔
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. - Answers -✔✔ Asteroid Belt
Our solar system is part of a bigger star system called a __________________. -
Answers -✔✔ Galaxy
A _________________ is made up of stars, dust, and gas. - Answers -✔✔ Galaxy
The galaxy that is home to Earth is known as the ___________________________. -
Answers -✔✔ Milky Way
The planet that is closest to Earth's size is _______________. - Answers -✔✔ Venus
A _______________ is mostly made of ice, dust, and gas. - Answers -✔✔ Comet
A________________ is a light flashing in the sky from space. - Answers -✔✔
Meteoroid
What will happen if you drop a ball from space? - Answers -✔✔ It will fall slower and
take longer
How long will it be before we see a star that explodes 15 light years away? - Answers -
✔✔ 15 years
The planet that orbits closer to Earth - Answers -✔✔ Venus
The planet that has the shortest days - Answers -✔✔ Jupiter
The terrestrial planet - Answers -✔✔ Mercury
The planet with the most abnormal tilt on the axis - Answers -✔✔ Uranus
What causes Earth's days and times to differ? - Answers -✔✔ The tilt of Earth's axis
What does fossil fuels and volcanic activity do? - Answers -✔✔ It releases carbon
dioxide into Earth's atmosphere
What is the largest planet that is farthest from the sun? - Answers -✔✔ Neptune
What causes the color of Neptune? - Answers -✔✔ Methane
True or False: Neptune has the shortest orbit around the sun? - Answers -✔✔ False
, What two planets are known as the gas giants? - Answers -✔✔ Saturn and Jupiter
What other planet is known as an "ice giant" along with Neptune? - Answers -✔✔
Uranus
How many days does it take for Earth to rotate on its axis? - Answers -✔✔ one
How long does it take for Earth to revolve around the sun? - Answers -✔✔ one year
What causes seasons on Earth? - Answers -✔✔ Earth's tilt
How long does it take for the moon to revolve around Earth? - Answers -✔✔ 27 days
(one month)
Why does the Earth see different phases of the moon? - Answers -✔✔ Because the
sun lights different parts of the moon
What is Earth's largest quantity of gas? - Answers -✔✔ Nitrogen
What percentage of Earth's atmosphere is made up of Nitrogen? - Answers -✔✔ 78%
____________________________ is then the Earth moves between the moon and sun
- Answers -✔✔ Lunar Eclipse
___________________________ is when the moon moves between the Earth and sun
- Answers -✔✔ Solar Eclipse
What is the most common element in the universe? - Answers -✔✔ Carbon
a _______________________ is a massive star with a gravitational field so strong that
even light cannot escape - Answers -✔✔ Black Hole
___________________ occurs when particles from the solar wind are trapped in the
Earth's magnetic field - Answers -✔✔ Aurora
the _________________ is everything we can directly see and study; cracked and split
into tectonic plates - Answers -✔✔ Crust
The edges of tectonic plates that go under the ocean are called
___________________________. - Answers -✔✔ Continental Shelves
What are the two types of continental shelves? - Answers -✔✔ 1) Oceanic and 2)
Continental
Questions Verified Marking Scheme
Current Update (Verified A+ Pass)
_____________________ is the study of the history of life on Earth. - Answers -✔✔
Paleontology
Earth is believed to be _________________________________. - Answers -✔✔ 4.5
billion years old
protects Earth from harmful solar wind particles; responsible for the Northern Lights
(Aurora Borealis); lies deep within the Earth - Answers -✔✔ Earth's Magnetic Field
charged particles escape from the sun's gravitational pull - Answers -✔✔ Solar Wind
What would be most different about an object on Mars than Earth? - Answers -✔✔
Weight
What are the four inner planets: solid, liquid, or gas? - Answers -✔✔ Solid
What are the four outer planets: solid, liquid, or gas? - Answers -✔✔ Gas
(MVEM(Mars)JSUN)
________________ is the left over remains of a star after it explodes - Answers -✔✔
Super Nova
_________________ is the study of space - Answers -✔✔ Astronomy
____________ is the star at the center of Earth's solar system - Answers -✔✔ Sun
What is the sun made of? - Answers -✔✔ Hydrogen and Helium
How many Earth's could fit into the Sun? - Answers -✔✔ 109
Define Nuclear Fusion. - Answers -✔✔ 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? - Answers -✔✔ True
______________________ is how heat goes from sun to Earth. - Answers -✔✔
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. - Answers -✔✔ Asteroid Belt
Our solar system is part of a bigger star system called a __________________. -
Answers -✔✔ Galaxy
A _________________ is made up of stars, dust, and gas. - Answers -✔✔ Galaxy
The galaxy that is home to Earth is known as the ___________________________. -
Answers -✔✔ Milky Way
The planet that is closest to Earth's size is _______________. - Answers -✔✔ Venus
A _______________ is mostly made of ice, dust, and gas. - Answers -✔✔ Comet
A________________ is a light flashing in the sky from space. - Answers -✔✔
Meteoroid
What will happen if you drop a ball from space? - Answers -✔✔ It will fall slower and
take longer
How long will it be before we see a star that explodes 15 light years away? - Answers -
✔✔ 15 years
The planet that orbits closer to Earth - Answers -✔✔ Venus
The planet that has the shortest days - Answers -✔✔ Jupiter
The terrestrial planet - Answers -✔✔ Mercury
The planet with the most abnormal tilt on the axis - Answers -✔✔ Uranus
What causes Earth's days and times to differ? - Answers -✔✔ The tilt of Earth's axis
What does fossil fuels and volcanic activity do? - Answers -✔✔ It releases carbon
dioxide into Earth's atmosphere
What is the largest planet that is farthest from the sun? - Answers -✔✔ Neptune
What causes the color of Neptune? - Answers -✔✔ Methane
True or False: Neptune has the shortest orbit around the sun? - Answers -✔✔ False
, What two planets are known as the gas giants? - Answers -✔✔ Saturn and Jupiter
What other planet is known as an "ice giant" along with Neptune? - Answers -✔✔
Uranus
How many days does it take for Earth to rotate on its axis? - Answers -✔✔ one
How long does it take for Earth to revolve around the sun? - Answers -✔✔ one year
What causes seasons on Earth? - Answers -✔✔ Earth's tilt
How long does it take for the moon to revolve around Earth? - Answers -✔✔ 27 days
(one month)
Why does the Earth see different phases of the moon? - Answers -✔✔ Because the
sun lights different parts of the moon
What is Earth's largest quantity of gas? - Answers -✔✔ Nitrogen
What percentage of Earth's atmosphere is made up of Nitrogen? - Answers -✔✔ 78%
____________________________ is then the Earth moves between the moon and sun
- Answers -✔✔ Lunar Eclipse
___________________________ is when the moon moves between the Earth and sun
- Answers -✔✔ Solar Eclipse
What is the most common element in the universe? - Answers -✔✔ Carbon
a _______________________ is a massive star with a gravitational field so strong that
even light cannot escape - Answers -✔✔ Black Hole
___________________ occurs when particles from the solar wind are trapped in the
Earth's magnetic field - Answers -✔✔ Aurora
the _________________ is everything we can directly see and study; cracked and split
into tectonic plates - Answers -✔✔ Crust
The edges of tectonic plates that go under the ocean are called
___________________________. - Answers -✔✔ Continental Shelves
What are the two types of continental shelves? - Answers -✔✔ 1) Oceanic and 2)
Continental
