PRAXIS 5005 SCIENCE EXAM
QUESTIONS WITH VERIFIED
SOLUTIONS
what contributes the most to water pollution in streams? - ANS-fertilizers and pesticides
where are aquifers located? - ANS-beneath Earth's crust
a eukaryote that does not make its own food and that does not contain cells within a cell
wall is a(n): - ANS-animalia
during this stage of mitosis, chromosomes line up in the middle of the cell and spindle
fibers attach to the center of the chromosomes. - ANS-metaphase
which of the following is a producer? - ANS-grass
plants are _______ - ANS-producers
animals are ________ - ANS-consumers
in a glass of water, ice floats to the surface of the water. Why does this happen? - ANS-
the ice is less dense than the water
kinetic energy is _______ - ANS-energy of motion
potential energy is _____ - ANS-stored energy
Scientists believe that Earth formed through the collision and gradual accumulation of
smaller particles into larger bodies. What is this process called? - ANS-accretion
What device is used to measure the magnitude of an Earthquake? - ANS-seismometer
Some rocks have small crevices in them. Water can get into these crevices, freeze,
then eventually wedge apart the crevice, breaking the rock. This is an example of which
of the following? - ANS-weathering
As the Pacific Plate and the North American Plate bump past one another, energy is
built and stored as potential energy. When that energy is released, what event is most
likely to occur? - ANS-an earthquake
,what describes a molecule - ANS-electrically neutral particles of two or more atoms
joined by molecular bonds
what describes an ionic bond - ANS-bonds that form when electrons are removed from
one atom and given to an atom of another element
What is found in the nucleus of an atom? - ANS-protons and neutrons
when the pH is 7 the solution is - ANS-neutral
when the pH is greater than 7 the solution is - ANS-a base
what are valence electrons in an atom? - ANS-electrons in the outermost orbit of an
atom in the ground state.
If the pH is less than 7 the solution is - ANS-acidic
one of the most commonly used examples of a solution is what? - ANS-the atmosphere
Inertia refers to what - ANS-an object's resistance to changes in its state of motion in
the absence of an outside force
Newton's first law of motion - ANS-an object in motion will remain in motion unless
acted upon by another force
What is an endothermic reaction? - ANS-reaction that absorbs heat from the
surroundings
What is thermal energy? - ANS-the motion or vibration of particles of matter
what is the formula for work? - ANS-force x distance
What are the functions of the integumentary system? - ANS-protects body, regulates
temperature, and eliminates wastes
The earth is divided into four distinct layers. Which layer is composed of very hot, liquid
material? - ANS-outer core
which of the following describes an object's tendency to resist changes to its state of
motion? - ANS-Newton's first law
The flow of electrons through a conductive material is also known as what? - ANS-
electric current
Which two organisms would have the most in common? - ANS-those in the same genus
, what following organisms would likely have cells that have centrioles and small
vacuoles? - ANS-earthworm
Which of the following can be attributed to active geothermal activity? - ANS-geysers
Which of the following stars has the highest temperature? - ANS-blue giant
How long does it take for the earth to make one complete rotation on its axis? - ANS-
about 24 hours
the rusting of an iron chain can be classified as which of the following? - ANS-chemical
change
Which of the following is a type of endothermic process? - ANS-evaporation of sweat
Which organelle is responsible for generating large amounts of adenosine triphosphate
(ATP)? - ANS-mitochondria
Which property of waves can be seen by a prism producing a rainbow out of white light?
- ANS-refraction
what are the chromosomes for males? - ANS-XY
some human traits are carried by genes on the Y chromosome. A man will transmit
these traits to who? - ANS-all of his male offspring
What is the Doppler effect example? - ANS-as an emergency vehicle approaches an
observer standing by the road, the pitch of the siren increases.
which part of a hurricane features the strongest winds and the greatest rainfall? - ANS-
eye wall
What is the order of the planets? - ANS-My Very Educated Mother Just Served Us Nine
Pickles. (this is the order from the Sun)Mars, Venus, Earth, Mercury, Jupiter, Saturn,
Uranus, Neptune, Pluto.
Define metamorphic rock - ANS-forms when a rock is changed by heat or pressure, or
by chemical reactions
macromolecule provides long-term energy storage and insulation? - ANS-lipid
what unit would you use to measure the volume of a solid? - ANS-cubic centimeters.
Which of the following functions are performed by a plant's stomata? - ANS-
Transpiration of water out of the leaves.
QUESTIONS WITH VERIFIED
SOLUTIONS
what contributes the most to water pollution in streams? - ANS-fertilizers and pesticides
where are aquifers located? - ANS-beneath Earth's crust
a eukaryote that does not make its own food and that does not contain cells within a cell
wall is a(n): - ANS-animalia
during this stage of mitosis, chromosomes line up in the middle of the cell and spindle
fibers attach to the center of the chromosomes. - ANS-metaphase
which of the following is a producer? - ANS-grass
plants are _______ - ANS-producers
animals are ________ - ANS-consumers
in a glass of water, ice floats to the surface of the water. Why does this happen? - ANS-
the ice is less dense than the water
kinetic energy is _______ - ANS-energy of motion
potential energy is _____ - ANS-stored energy
Scientists believe that Earth formed through the collision and gradual accumulation of
smaller particles into larger bodies. What is this process called? - ANS-accretion
What device is used to measure the magnitude of an Earthquake? - ANS-seismometer
Some rocks have small crevices in them. Water can get into these crevices, freeze,
then eventually wedge apart the crevice, breaking the rock. This is an example of which
of the following? - ANS-weathering
As the Pacific Plate and the North American Plate bump past one another, energy is
built and stored as potential energy. When that energy is released, what event is most
likely to occur? - ANS-an earthquake
,what describes a molecule - ANS-electrically neutral particles of two or more atoms
joined by molecular bonds
what describes an ionic bond - ANS-bonds that form when electrons are removed from
one atom and given to an atom of another element
What is found in the nucleus of an atom? - ANS-protons and neutrons
when the pH is 7 the solution is - ANS-neutral
when the pH is greater than 7 the solution is - ANS-a base
what are valence electrons in an atom? - ANS-electrons in the outermost orbit of an
atom in the ground state.
If the pH is less than 7 the solution is - ANS-acidic
one of the most commonly used examples of a solution is what? - ANS-the atmosphere
Inertia refers to what - ANS-an object's resistance to changes in its state of motion in
the absence of an outside force
Newton's first law of motion - ANS-an object in motion will remain in motion unless
acted upon by another force
What is an endothermic reaction? - ANS-reaction that absorbs heat from the
surroundings
What is thermal energy? - ANS-the motion or vibration of particles of matter
what is the formula for work? - ANS-force x distance
What are the functions of the integumentary system? - ANS-protects body, regulates
temperature, and eliminates wastes
The earth is divided into four distinct layers. Which layer is composed of very hot, liquid
material? - ANS-outer core
which of the following describes an object's tendency to resist changes to its state of
motion? - ANS-Newton's first law
The flow of electrons through a conductive material is also known as what? - ANS-
electric current
Which two organisms would have the most in common? - ANS-those in the same genus
, what following organisms would likely have cells that have centrioles and small
vacuoles? - ANS-earthworm
Which of the following can be attributed to active geothermal activity? - ANS-geysers
Which of the following stars has the highest temperature? - ANS-blue giant
How long does it take for the earth to make one complete rotation on its axis? - ANS-
about 24 hours
the rusting of an iron chain can be classified as which of the following? - ANS-chemical
change
Which of the following is a type of endothermic process? - ANS-evaporation of sweat
Which organelle is responsible for generating large amounts of adenosine triphosphate
(ATP)? - ANS-mitochondria
Which property of waves can be seen by a prism producing a rainbow out of white light?
- ANS-refraction
what are the chromosomes for males? - ANS-XY
some human traits are carried by genes on the Y chromosome. A man will transmit
these traits to who? - ANS-all of his male offspring
What is the Doppler effect example? - ANS-as an emergency vehicle approaches an
observer standing by the road, the pitch of the siren increases.
which part of a hurricane features the strongest winds and the greatest rainfall? - ANS-
eye wall
What is the order of the planets? - ANS-My Very Educated Mother Just Served Us Nine
Pickles. (this is the order from the Sun)Mars, Venus, Earth, Mercury, Jupiter, Saturn,
Uranus, Neptune, Pluto.
Define metamorphic rock - ANS-forms when a rock is changed by heat or pressure, or
by chemical reactions
macromolecule provides long-term energy storage and insulation? - ANS-lipid
what unit would you use to measure the volume of a solid? - ANS-cubic centimeters.
Which of the following functions are performed by a plant's stomata? - ANS-
Transpiration of water out of the leaves.
