Science Praxis 5905 Exam Questions
Complete Solutions Current Update
(Guaranteed Pass)
The process by which water evaporates from plant leaves and enters the atmosphere -
Answers -✔✔ Transpiration
The process by which a substance transitions directly from the solid phase to the gas
phase without going through the liquid phase - Answers -✔✔ sublimation
the system that absorbs nutrients into the body - Answers -✔✔ digestive
An object is moving in a straight line at a constant speed. What will happen if a constant
force is then applied to the object in the same direction in which the object is moving? -
Answers -✔✔ Continue moving in the same direction but will speed up
A product of cellular respiration and is used for energy transfer in cells. - Answers -✔✔
ATP
gas produced by body cells when oxygen and carbon atoms from food combine;
exhaled through the lungs - Answers -✔✔ Carbon Dioxide (CO2)
gas that enters the blood through the lungs and travels to the heart to be pumped via
arteries to all body cells - Answers -✔✔ Oxygen
Researchers found fossils of marine organisms in rock layers that are located high
above sea level. Which conclusion is best supported by the researcher's observations?
- Answers -✔✔ The area containing rock layers was previously submerged under
water.
Chemical reaction that occurs when the acid HCI is mixed with the base NaCH in a
solution. - Answers -✔✔ Neutralization
A method of heat transfer - Answers -✔✔ Convection
Where most earthquakes occur - Answers -✔✔ tectonic plate boundaries
CH4+2 O2 (g)----CO2(g) + 2H2O (g) how many molecules of oxygen react with each
molecule of methane? - Answers -✔✔ 2
Biome with the greatest number of diversity of species. - Answers -✔✔ Tropical
Rainforest
,Plant's life cycle involves the emergence of leaves and roots from a seed. - Answers -
✔✔ Germintation
On the periodic table, the elements lithium, sodium, and potassium are grouped
together in the first column. Based on their locations on the periodic table, which is most
likely true about the elements? - Answers -✔✔ They have similar chemical properties
Has a backbone, soft skin covered by a slippery layer of mucus, goes through complete
metamorphosis in its life cycle, lives part of its life on land and part in water. - Answers -
✔✔ Amphibians
Which statement best accounts for an observation that the same object sank in the
freshwater but floated in the salt water? - Answers -✔✔ The salt water was denser than
freshwater
Elements that are most abundant in the Sun. - Answers -✔✔ hydrogen and helium
In plants, the chlorophyll used in photosynthesis is contained in what cell structure? -
Answers -✔✔ chloroplasts
Forms when electrons are shared between two atoms - Answers -✔✔ covalent bonds
An example of why the Sun appears larger than other stars, even though many stars
are actually larger than the Sun. - Answers -✔✔ Placing two lit bulbs of the same size
at different distances from an observer.
Bread molds belong to this type of organism. - Answers -✔✔ Fungi
A teacher rubs an inflated balloon with a wool cloth and then holds the balloon over bits
of paper that are lying on a table toward the balloon. What hypotheses in best
supported by the observed interaction between the balloon and bits of paper? - Answers
-✔✔ the balloon has an electrostatic charge
Two black mice have a litter that contains some black offspring and some brown
offspring. In the mice, black fur is dominant to brown fur. Which best explains the
presence of the brown offspring? - Answers -✔✔ both parents are heterozygous for
black fur
_____________________ 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
Complete Solutions Current Update
(Guaranteed Pass)
The process by which water evaporates from plant leaves and enters the atmosphere -
Answers -✔✔ Transpiration
The process by which a substance transitions directly from the solid phase to the gas
phase without going through the liquid phase - Answers -✔✔ sublimation
the system that absorbs nutrients into the body - Answers -✔✔ digestive
An object is moving in a straight line at a constant speed. What will happen if a constant
force is then applied to the object in the same direction in which the object is moving? -
Answers -✔✔ Continue moving in the same direction but will speed up
A product of cellular respiration and is used for energy transfer in cells. - Answers -✔✔
ATP
gas produced by body cells when oxygen and carbon atoms from food combine;
exhaled through the lungs - Answers -✔✔ Carbon Dioxide (CO2)
gas that enters the blood through the lungs and travels to the heart to be pumped via
arteries to all body cells - Answers -✔✔ Oxygen
Researchers found fossils of marine organisms in rock layers that are located high
above sea level. Which conclusion is best supported by the researcher's observations?
- Answers -✔✔ The area containing rock layers was previously submerged under
water.
Chemical reaction that occurs when the acid HCI is mixed with the base NaCH in a
solution. - Answers -✔✔ Neutralization
A method of heat transfer - Answers -✔✔ Convection
Where most earthquakes occur - Answers -✔✔ tectonic plate boundaries
CH4+2 O2 (g)----CO2(g) + 2H2O (g) how many molecules of oxygen react with each
molecule of methane? - Answers -✔✔ 2
Biome with the greatest number of diversity of species. - Answers -✔✔ Tropical
Rainforest
,Plant's life cycle involves the emergence of leaves and roots from a seed. - Answers -
✔✔ Germintation
On the periodic table, the elements lithium, sodium, and potassium are grouped
together in the first column. Based on their locations on the periodic table, which is most
likely true about the elements? - Answers -✔✔ They have similar chemical properties
Has a backbone, soft skin covered by a slippery layer of mucus, goes through complete
metamorphosis in its life cycle, lives part of its life on land and part in water. - Answers -
✔✔ Amphibians
Which statement best accounts for an observation that the same object sank in the
freshwater but floated in the salt water? - Answers -✔✔ The salt water was denser than
freshwater
Elements that are most abundant in the Sun. - Answers -✔✔ hydrogen and helium
In plants, the chlorophyll used in photosynthesis is contained in what cell structure? -
Answers -✔✔ chloroplasts
Forms when electrons are shared between two atoms - Answers -✔✔ covalent bonds
An example of why the Sun appears larger than other stars, even though many stars
are actually larger than the Sun. - Answers -✔✔ Placing two lit bulbs of the same size
at different distances from an observer.
Bread molds belong to this type of organism. - Answers -✔✔ Fungi
A teacher rubs an inflated balloon with a wool cloth and then holds the balloon over bits
of paper that are lying on a table toward the balloon. What hypotheses in best
supported by the observed interaction between the balloon and bits of paper? - Answers
-✔✔ the balloon has an electrostatic charge
Two black mice have a litter that contains some black offspring and some brown
offspring. In the mice, black fur is dominant to brown fur. Which best explains the
presence of the brown offspring? - Answers -✔✔ both parents are heterozygous for
black fur
_____________________ 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
