Praxis 5511 - Science; Questions & Answers
(A+)
Plate Tectonics Answer-Branch of geology studying the folding and faulting of the earth's
crust.
Hydrosphere Answer-All the water at and near the surface of the earth, 97% of which is
in oceans
Tides Answer-The alternating rise and fall in sea level with respect to the land, produced
by the gravitational attraction of the moon and the sun.
Waves Answer-Curving swells of water caused by wind, tides, and earthquakes
Weathering Answer-The breaking down of rocks and other materials on the Earth's
surface.
Erosion Answer-Condition in which the earth's surface is worn away by the action of
water and wind
Photosynthesis Answer-Process in which plant life converts light energy into chemical
energy using chlorophyll.
Food Chain Answer-Series of steps in an ecosystem in which organisms transfer energy by
eating and being eaten
, Praxis 5511 - Science; Questions & Answers
(A+)
Populations Answer-Groups of individuals that belong to the same species and live in the
same area
Evolution Answer-Change in a kind of organism over time; process by which modern
organisms have descended from ancient organisms
Cell Answer-The simplest living unit of life; Two types: Eukaryote and Prokaryotic
Diffusion Answer-Process by which molecules tend to move from an area where they are
more concentrated to an area where they are less concentrated
Osmosis Answer-The diffusion of water through a permeable membrane
Transpiration Answer-The process by which water is lost through a plant's leaves
Respiration Answer-The process by which cells break down simple food molecules to
release the energy they contain
Asexual Reproduction Answer-Reproduction that does not involve the union of gametes
and in which a single parent produces offspring that are genetically identical to the parent
(A+)
Plate Tectonics Answer-Branch of geology studying the folding and faulting of the earth's
crust.
Hydrosphere Answer-All the water at and near the surface of the earth, 97% of which is
in oceans
Tides Answer-The alternating rise and fall in sea level with respect to the land, produced
by the gravitational attraction of the moon and the sun.
Waves Answer-Curving swells of water caused by wind, tides, and earthquakes
Weathering Answer-The breaking down of rocks and other materials on the Earth's
surface.
Erosion Answer-Condition in which the earth's surface is worn away by the action of
water and wind
Photosynthesis Answer-Process in which plant life converts light energy into chemical
energy using chlorophyll.
Food Chain Answer-Series of steps in an ecosystem in which organisms transfer energy by
eating and being eaten
, Praxis 5511 - Science; Questions & Answers
(A+)
Populations Answer-Groups of individuals that belong to the same species and live in the
same area
Evolution Answer-Change in a kind of organism over time; process by which modern
organisms have descended from ancient organisms
Cell Answer-The simplest living unit of life; Two types: Eukaryote and Prokaryotic
Diffusion Answer-Process by which molecules tend to move from an area where they are
more concentrated to an area where they are less concentrated
Osmosis Answer-The diffusion of water through a permeable membrane
Transpiration Answer-The process by which water is lost through a plant's leaves
Respiration Answer-The process by which cells break down simple food molecules to
release the energy they contain
Asexual Reproduction Answer-Reproduction that does not involve the union of gametes
and in which a single parent produces offspring that are genetically identical to the parent
