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5 Written Questions

1. dense, dark-colored igneous rock formed from magma; rich in magnesium and iron and poor in silica
2. thick, gooey, molten rock material flowing from volcanoes onto Earth's surface
3. particle without an electric charge
4. mechanical or chemical processes that break rocks into smaller and smaller pieces
5. atoms of the same element that have different number of neutrons

5 Matching Questions

1. subsidence
2. crevasse
3. ore
4. trough
5. cementation

1. a sedimantary rock-forming process in which large sediments are held together by natural cements that are produced when water soaks through rock and soil
2. b a crack in a levee or dike
3. c deposit in which a mineral exists in large enough amounts ot be mined at a profit
4. d the sinking of land resulting from natural shifts or human activity
5. e lowest point of a wave

5 Multiple Choice Questions

1. an educated guess
   1. chemosynthesis
   2. photosynthesis
   3. ethics
   4. hypothesis
2. collapsing ocean wave that forms in shallow water and breaks onto the shore
   1. crest
   2. breaker
   3. ore
   4. bias
3. anything that has mass and takes up space; matter's properties are determined by the structure of its atoms and how they are joined
   1. magma
   2. matter
   3. atom
   4. wave
4. food-making process using sulfur or nitrogen compounds, rather than light energy from the Sun, that is used by bacteria living inear thermal vents
   1. hypothesis
   2. benthos
   3. photosynthesis
   4. chemosynthesis
5. marine plants and animals that drift in ocean currents
   1. nekton
   2. plankton
   3. proton
   4. atom

5 True/False Question

1. photosynthesis → food-making process using sulfur or nitrogen compounds, rather than light energy from the Sun, that is used by bacteria living inear thermal vents
   

   True        False

2. wavelength → the length of a wave
   

   True        False

3. gem → beautiful, rare, highly prized mineral that can be worn in jewelry
   

   True        False

4. fracture → physical property of some minerals that causes them to break with uneven, rough, or jagged surfaces
   

   True        False

5. bias → electrically charged atom whose charge results from an atom losingor gaining electrons
   

   True        False