Praxis test form 3 SCIENCE 5005 || ACTUAL
QUESTIONS WITH CORRECT SOLUTIONS; TO
SCORE A+!!
The process by which a gas becomes a liquid is called correct answers Condensation is the
process by which a gas becomes a liquid.
Which of the following human organs is responsible for the formation of sperm cells? correct
answers Testis
Which of the following best describes the approximate length of time it takes Earth to rotate
once about its axis? correct answers One day
Which THREE of the following are generally acceptable rules for laboratory activities?
correct answers 1.Students should wash their hands after mixing chemicals in the laboratory.
2.Students should inform the teacher immediately of any accidents or spills in the laboratory.
3.Students should read instructions thoroughly before performing laboratory procedures.
Which of the following processes most directly involves the movement of water from the
atmosphere to Earth's surface? correct answers Precipitation
Which of the following is an important function of the digestive system? correct
answers .Absorbing nutrients into the body
As a rock begins tumbling down a hillside, most of its gravitational potential energy is
converted into correct answers kinetic energy
Which of the following is the best example of an interaction between different biotic factors
in an ecosystem? correct answers A grazing animal eating plants
A neutral atom becomes a positive ion when it loses one or more correct answers electrons
Which of the following best describes a galaxy? correct answers A large cluster of stars, dust,
and gas
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? correct
answers The object will continue moving in the same direction but will speed up
Which of the following molecules is a product of cellular respiration and is used for energy
transfer in cells? correct answers ATP
Researchers found fossils of marine organisms in rock layers that are located high above sea
level. Which of the following conclusions is best supported by the researchers' observations?
correct answers The area containing the rock layers was previously submerged under water.
During a total solar eclipse, the Moon is in which of the following phases? correct answers
New moon
, Which of the following is a primary function of plant roots? correct answers Anchoring the
plant body to the ground
Which of the following best describes the type of chemical reaction that occurs when the acid
HClH C l is mixed with the base NaOHN a O H in a solution? correct answers Neutralization
Which of the following systems is responsible for the production of hormones? correct
answers Endocrine
Which of the following is a method of heat transfer? correct answers Convection
Which of the following best describes where most earthquakes occur? correct answers At
tectonic plate boundaries
CH4(g)+2O2(g)→CO2(g)+2H2O(g)CH4(g)+2O2(g)→CO2(g)+2H2O(g)
The balanced chemical equation shown above represents a reaction between methane
( CH4CH4) and oxygen ( O2O2) that produces carbon dioxide ( CO2CO2) and water
( H2OH2O). Based on the balanced chemical equation, how many molecules of oxygen react
with each molecule of methane? correct answers two
Which of the following biomes has the greatest diversity of species? correct answers Tropical
rain forest
Which THREE of the following types of household waste are most likely to be accepted by a
curbside recycling program? correct answers Dry newspaper
Clean aluminum cans
Rinsed glass jars
Which of the following processes in a plant's life cycle involves the emergence of leaves and
roots from a seed? correct answers Germination
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 of the following is
most likely true about the elements lithium, sodium, and potassium? correct answers They
have similar chemical properties
An animal is found to have the following characteristics.
It has a backbone.
It has soft, moist skin covered by a slippery layer of mucus.
It goes through complete metamorphosis in its life cycle.
It lives part of its life in water and part of its life on land.
To which of the following groups does the animal most likely belong? correct answers
Amphibians
In an activity, students filled two identical containers with equal volumes of either freshwater
or salt water. The students then placed different objects, one at a time, in the containers and
observed whether the objects sank or floated. Which of the following statements best
accounts for an observation that the same object sank in the freshwater but floated in the salt
water? correct answers The salt water was denser than the freshwater
QUESTIONS WITH CORRECT SOLUTIONS; TO
SCORE A+!!
The process by which a gas becomes a liquid is called correct answers Condensation is the
process by which a gas becomes a liquid.
Which of the following human organs is responsible for the formation of sperm cells? correct
answers Testis
Which of the following best describes the approximate length of time it takes Earth to rotate
once about its axis? correct answers One day
Which THREE of the following are generally acceptable rules for laboratory activities?
correct answers 1.Students should wash their hands after mixing chemicals in the laboratory.
2.Students should inform the teacher immediately of any accidents or spills in the laboratory.
3.Students should read instructions thoroughly before performing laboratory procedures.
Which of the following processes most directly involves the movement of water from the
atmosphere to Earth's surface? correct answers Precipitation
Which of the following is an important function of the digestive system? correct
answers .Absorbing nutrients into the body
As a rock begins tumbling down a hillside, most of its gravitational potential energy is
converted into correct answers kinetic energy
Which of the following is the best example of an interaction between different biotic factors
in an ecosystem? correct answers A grazing animal eating plants
A neutral atom becomes a positive ion when it loses one or more correct answers electrons
Which of the following best describes a galaxy? correct answers A large cluster of stars, dust,
and gas
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? correct
answers The object will continue moving in the same direction but will speed up
Which of the following molecules is a product of cellular respiration and is used for energy
transfer in cells? correct answers ATP
Researchers found fossils of marine organisms in rock layers that are located high above sea
level. Which of the following conclusions is best supported by the researchers' observations?
correct answers The area containing the rock layers was previously submerged under water.
During a total solar eclipse, the Moon is in which of the following phases? correct answers
New moon
, Which of the following is a primary function of plant roots? correct answers Anchoring the
plant body to the ground
Which of the following best describes the type of chemical reaction that occurs when the acid
HClH C l is mixed with the base NaOHN a O H in a solution? correct answers Neutralization
Which of the following systems is responsible for the production of hormones? correct
answers Endocrine
Which of the following is a method of heat transfer? correct answers Convection
Which of the following best describes where most earthquakes occur? correct answers At
tectonic plate boundaries
CH4(g)+2O2(g)→CO2(g)+2H2O(g)CH4(g)+2O2(g)→CO2(g)+2H2O(g)
The balanced chemical equation shown above represents a reaction between methane
( CH4CH4) and oxygen ( O2O2) that produces carbon dioxide ( CO2CO2) and water
( H2OH2O). Based on the balanced chemical equation, how many molecules of oxygen react
with each molecule of methane? correct answers two
Which of the following biomes has the greatest diversity of species? correct answers Tropical
rain forest
Which THREE of the following types of household waste are most likely to be accepted by a
curbside recycling program? correct answers Dry newspaper
Clean aluminum cans
Rinsed glass jars
Which of the following processes in a plant's life cycle involves the emergence of leaves and
roots from a seed? correct answers Germination
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 of the following is
most likely true about the elements lithium, sodium, and potassium? correct answers They
have similar chemical properties
An animal is found to have the following characteristics.
It has a backbone.
It has soft, moist skin covered by a slippery layer of mucus.
It goes through complete metamorphosis in its life cycle.
It lives part of its life in water and part of its life on land.
To which of the following groups does the animal most likely belong? correct answers
Amphibians
In an activity, students filled two identical containers with equal volumes of either freshwater
or salt water. The students then placed different objects, one at a time, in the containers and
observed whether the objects sank or floated. Which of the following statements best
accounts for an observation that the same object sank in the freshwater but floated in the salt
water? correct answers The salt water was denser than the freshwater
