Praxis Science 5905 Vocabulary Exam
Questions Complete Verified Answers
New Update (A Pass)
Acceleration - Answers -✔✔ how quickly an object changes velocity
Acid - Answers -✔✔ a compound that is able to contribute a hydrogen ion and has a ph
lower than 7
Alto-cloud - Answers -✔✔ a cloud located in the middle level of the sky
Amphibians - Answers -✔✔ a class of cold-blooded vertebrate animals that have gills
when they hatch but develop lungs in adulthood
Amplitude - Answers -✔✔ a measure of a wave's displacement from its rest position
Anatomy - Answers -✔✔ the study of the structure of living organisms
Animalia - Answers -✔✔ the kingdom that contains multicellular organisms that can
move around and must consume other organisms for energy
Anther - Answers -✔✔ part of the male reproductive organ of the flower =ing plant
where pollen is stored
Antibodies - Answers -✔✔ special proteins that bind to foreign substances in the body
and neutralize them
Antigens - Answers -✔✔ substances that the body recognizes as foreign
Artery - Answers -✔✔ a blood vessel that carries blood away from the heart
Asexual - Answers -✔✔ does not require the union of sex cells to reproduce
Asteroid - Answers -✔✔ a large rocky body, smaller than a planet, that orbits the sun
Asthenosphere - Answers -✔✔ the hot, semisolid part of the mantle under the
lithosphere
Atmosphere - Answers -✔✔ the mass of gasses that surround the Earth
,Atom - Answers -✔✔ the smallest particle of a chemical element that retains the
properties of the element
Atomic Mass - Answers -✔✔ the mass of an atom calculated by adding the number of
protons and neutrons
Atomic Number - Answers -✔✔ the number of protons in the nucleus of an atom
Attraction - Answers -✔✔ a force that draws objects closer
B cells - Answers -✔✔ (also called B lymphocytes) produce special proteins called
antibodies that bind to foreign substances, called antigens, and neutralize them
Balanced Equation - Answers -✔✔ a chemical equation where the same amount of
each element is represented on both sides (the reactants and the products have equal
amounts of each element)
Base - Answers -✔✔ a compound that is able to contribute a hydroxide ion and has a
ph greater than 7
Biofuel - Answers -✔✔ biological matter that can be burned to produce heat, steam, or
electricity
Biomass - Answers -✔✔ plant-based fuel, usually burned, for generating heat, steam,
or electricity
Biomes - Answers -✔✔ large geographic areas that provide the environmental
conditions in which certain organisms live
Birds - Answers -✔✔ endothermic vertebrate animals that have wings, feathers, scaly
legs, beaks, and no teeth, and bear their young in a hard-shelled egg
Black Holes - Answers -✔✔ a massive star that has collapsed and has a gravitational
force that is so strong that light cannot escape
Calyx - Answers -✔✔ all of the sepals of a flower together
Capillaries - Answers -✔✔ the smallest blood vessels in the body where gas exchange
occurs
Carbohydrates - Answers -✔✔ all sugars that act as a source of energy for all living
things
Carpel - Answers -✔✔ the ovary of a flowering plant where the ova are produced
, Cell - Answers -✔✔ the smallest living part of an organism
Cell Division - Answers -✔✔ the separation of a cell into two cells with identical genes
Cell Membrane - Answers -✔✔ the outer covering of a cell
Cell Wall - Answers -✔✔ hard outer structure of a plant cell
Cellular Metabolism - Answers -✔✔ (also called cellular respiration) how cells produce
energy
Cerebellum - Answers -✔✔ part of the brain located at the back and bottom that
controls motor movements
Cerebrum - Answers -✔✔ the biggest part of the brain, the wrinkly gray part at the front
and top, that controls different body functions like thinking, vision, hearing, touch, and
smell
Cervix - Answers -✔✔ the passage that connects the uterus to the vagina
Chemical Change - Answers -✔✔ making or breaking chemical bonds between atoms
in a chemical reaction
Chlorophyll - Answers -✔✔ a chemical in the leaves of plants that uses energy from
sunlight to convert water and carbon dioxide into sugars
Chromosome - Answers -✔✔ dense strands of DNA that contain the genetic code of an
organism
Cinder Cone Volcano - Answers -✔✔ a small, steep volcano formed by ash with a
single lava vent and a crater on top
Cirrus Cloud - Answers -✔✔ a thin, wispy cloud that appears high in the sky
Classification - Answers -✔✔ sorting according to characteristics
Climate - Answers -✔✔ an area's weather conditions over time
Climate Zone - Answers -✔✔ a large area that experiences similar average
temperature and precipitation
Cloud - Answers -✔✔ billions of tiny water droplets floating in the air together
Questions Complete Verified Answers
New Update (A Pass)
Acceleration - Answers -✔✔ how quickly an object changes velocity
Acid - Answers -✔✔ a compound that is able to contribute a hydrogen ion and has a ph
lower than 7
Alto-cloud - Answers -✔✔ a cloud located in the middle level of the sky
Amphibians - Answers -✔✔ a class of cold-blooded vertebrate animals that have gills
when they hatch but develop lungs in adulthood
Amplitude - Answers -✔✔ a measure of a wave's displacement from its rest position
Anatomy - Answers -✔✔ the study of the structure of living organisms
Animalia - Answers -✔✔ the kingdom that contains multicellular organisms that can
move around and must consume other organisms for energy
Anther - Answers -✔✔ part of the male reproductive organ of the flower =ing plant
where pollen is stored
Antibodies - Answers -✔✔ special proteins that bind to foreign substances in the body
and neutralize them
Antigens - Answers -✔✔ substances that the body recognizes as foreign
Artery - Answers -✔✔ a blood vessel that carries blood away from the heart
Asexual - Answers -✔✔ does not require the union of sex cells to reproduce
Asteroid - Answers -✔✔ a large rocky body, smaller than a planet, that orbits the sun
Asthenosphere - Answers -✔✔ the hot, semisolid part of the mantle under the
lithosphere
Atmosphere - Answers -✔✔ the mass of gasses that surround the Earth
,Atom - Answers -✔✔ the smallest particle of a chemical element that retains the
properties of the element
Atomic Mass - Answers -✔✔ the mass of an atom calculated by adding the number of
protons and neutrons
Atomic Number - Answers -✔✔ the number of protons in the nucleus of an atom
Attraction - Answers -✔✔ a force that draws objects closer
B cells - Answers -✔✔ (also called B lymphocytes) produce special proteins called
antibodies that bind to foreign substances, called antigens, and neutralize them
Balanced Equation - Answers -✔✔ a chemical equation where the same amount of
each element is represented on both sides (the reactants and the products have equal
amounts of each element)
Base - Answers -✔✔ a compound that is able to contribute a hydroxide ion and has a
ph greater than 7
Biofuel - Answers -✔✔ biological matter that can be burned to produce heat, steam, or
electricity
Biomass - Answers -✔✔ plant-based fuel, usually burned, for generating heat, steam,
or electricity
Biomes - Answers -✔✔ large geographic areas that provide the environmental
conditions in which certain organisms live
Birds - Answers -✔✔ endothermic vertebrate animals that have wings, feathers, scaly
legs, beaks, and no teeth, and bear their young in a hard-shelled egg
Black Holes - Answers -✔✔ a massive star that has collapsed and has a gravitational
force that is so strong that light cannot escape
Calyx - Answers -✔✔ all of the sepals of a flower together
Capillaries - Answers -✔✔ the smallest blood vessels in the body where gas exchange
occurs
Carbohydrates - Answers -✔✔ all sugars that act as a source of energy for all living
things
Carpel - Answers -✔✔ the ovary of a flowering plant where the ova are produced
, Cell - Answers -✔✔ the smallest living part of an organism
Cell Division - Answers -✔✔ the separation of a cell into two cells with identical genes
Cell Membrane - Answers -✔✔ the outer covering of a cell
Cell Wall - Answers -✔✔ hard outer structure of a plant cell
Cellular Metabolism - Answers -✔✔ (also called cellular respiration) how cells produce
energy
Cerebellum - Answers -✔✔ part of the brain located at the back and bottom that
controls motor movements
Cerebrum - Answers -✔✔ the biggest part of the brain, the wrinkly gray part at the front
and top, that controls different body functions like thinking, vision, hearing, touch, and
smell
Cervix - Answers -✔✔ the passage that connects the uterus to the vagina
Chemical Change - Answers -✔✔ making or breaking chemical bonds between atoms
in a chemical reaction
Chlorophyll - Answers -✔✔ a chemical in the leaves of plants that uses energy from
sunlight to convert water and carbon dioxide into sugars
Chromosome - Answers -✔✔ dense strands of DNA that contain the genetic code of an
organism
Cinder Cone Volcano - Answers -✔✔ a small, steep volcano formed by ash with a
single lava vent and a crater on top
Cirrus Cloud - Answers -✔✔ a thin, wispy cloud that appears high in the sky
Classification - Answers -✔✔ sorting according to characteristics
Climate - Answers -✔✔ an area's weather conditions over time
Climate Zone - Answers -✔✔ a large area that experiences similar average
temperature and precipitation
Cloud - Answers -✔✔ billions of tiny water droplets floating in the air together
