Set: Science Mid-Term

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All 45 Terms

Term Definition
hypothesis an educated guess
scientific method problem-solving procedures that can include identifying the problem or question, gathering information, developing a hypothesis, analyzing the results, and drawing conclusions
ethics study of moral values about what is good or bad
bias personal opinion
matter anything that has mass and takes up space; matter's properties are determined by the structure of its atoms and how they are joined
atom tiny building blocks of matter, made up of protons, neutrons, and electrons
proton positively charged particle that is located in the nucleus of an atom
neutron particle without an electric charge
electron negatively charged particles that move around the nucleus of an atom and form and electron cloud
isotope atoms of the same element that have different number of neutrons
ion electrically charged atom whose charge results from an atom losingor gaining electrons
mineral naturally occurring inorganic solid that has a definite chemical composition and an orderly internal atomic structure
magma hot, melted rock material beneath Earth's surface
lava thick, gooey, molten rock material flowing from volcanoes onto Earth's surface
diaphaneity the ability of a mineral to let light pass through it
cleavage physical property of some minerals that causes them to break along smooth, flat surfaces
fracture physical property of some minerals that causes them to break with uneven, rough, or jagged surfaces
gem beautiful, rare, highly prized mineral that can be worn in jewelry
ore deposit in which a mineral exists in large enough amounts ot be mined at a profit
rock cycle model that describes how rocks slowly change from one form to another through time
intrusive a type of igneous rok that generally contains large crystals and forms when magma cools slowly beneath Earth's crust
extrusive fine-grained igneous rock that forms when magma cools quickly at or near Earth's surface
basaltic dense, dark-colored igneous rock formed from magma; rich in magnesium and iron and poor in silica
granitic light-colored, silica-rich igneous rock that is less dense than basaltic rock
compaction process that forms sedimentary rocks when layers of small sediments are compressed by the weight of the layers above them
cementation sedimantary rock-forming process in which large sediments are held together by natural cements that are produced when water soaks through rock and soil
erosion process in which surface materials are worn away and transported from one place to another by agents such as gravity, water, wind, and glaciers
weathering mechanical or chemical processes that break rocks into smaller and smaller pieces
salinity a measure of the amount of salts dissolved in sea water
wave rhythmic movement that carries energy through matter or space; can be described by its crest, trough, wave-length, and wave height
crest highest point of a wave
trough lowest point of a wave
breaker collapsing ocean wave that forms in shallow water and breaks onto the shore
wavelength the length of a wave
wave height the height of a wave
photosynthesis food-making process using light energy from the Sun, carbon dioxide and water
chemosynthesis food-making process using sulfur or nitrogen compounds, rather than light energy from the Sun, that is used by bacteria living inear thermal vents
plankton marine plants and animals that drift in ocean currents
nekton marine organisms that actively swim in the ocean
benthos marine plants and animals that live on or in the ocean floor
estuary area where a river meets the ocean that contains a mixture of freshwater and ocean water and provides and important habitat to many marine organisms
crevasse a crack in a levee or dike
subsidence the sinking of land resulting from natural shifts or human activity
BTNEP ?
Bald Cypress a deciduous coniferous tree, often found in swamps or near water, yields a hard timber

Set Information

Terms 45
Creator edencamp
Created December 11, 2007
Groups None
Subject galliano
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Most Missed Words

  1. atom → tiny building blocks of matter, made up of protons, neutrons, and electrons - 2 misses
  2. isotope → atoms of the same element that have different number of neutrons - 2 misses
  3. diaphaneity → the ability of a mineral to let light pass through it - 2 misses
  4. hypothesis → an educated guess - 1 miss
  5. magma → hot, melted rock material beneath Earth's surface - 1 miss
  6. ore → deposit in which a mineral exists in large enough amounts ot be mined at a profit - 1 miss
  7. intrusive → a type of igneous rok that generally contains large crystals and forms when magma cools slowly beneath Earth's crust - 1 miss