Use this sample examination to test your knowledge of concepts learned from Chapter 6 - THEN CALL YOUR MOM - SHE's WAITING TO HEAR FROM YOU!

1			A rock is: Need a Hint?
			A)	a naturally occurring, hard, solid substance
			B)	any hard, solid substance on earth
			C)	an aggregate of minerals
			D)	only produced by cooling of magma
2			The clastic sedimentary rocks: Need a Hint?
			A)	form from pieces of pre-existing rocks
			B)	form near Earth’s surface
			C)	range from conglomerates to shales
			D)	all of these
3			Where do sediments come from? Need a Hint?
			A)	there have always been sediments on Earth
			B)	sediments accumulated as dust fell to Earth from outer space
			C)	rock weathering produces sediment
			D)	sediment is transported and deposited all over the Earth
4			Based on your experience, which of these environments will produce sediments with cross-bedding? Need a Hint?
			A)	the deep ocean
			B)	a swamp
			C)	a tropical rain forest
			D)	a desert
5			Particles of sediment from 1/16 mm to 2 mm diameter are called: Need a Hint?
			A)	gravel
			B)	sand
			C)	silt
			D)	clay
6			Rounding is: Need a Hint?
			A)	the grinding away of sharp edges and corners of rock fragments during transportation
			B)	the relative sphericity of a grain
			C)	weathering of sharp edges and corners of bedrock exoposed at Earth's surface
			D)	all of these
7			Compaction and cementation are two common processes associated with: Need a Hint?
			A)	erosion
			B)	transportation
			C)	sedimentation
			D)	lithification
8			Which of the following is not a chemical sedimentary rock? Need a Hint?
			A)	limestone
			B)	rock salt
			C)	rock gypsum
			D)	all of these are chemical sedimentary rocks
9			The major difference between breccia and conglomerate is: Need a Hint?
			A)	grain size
			B)	grain rounding
			C)	grain composition
			D)	all of these are differences between breccia and conglomerate
10			Which of the following is not a type of sandstone? Need a Hint?
			A)	arkose
			B)	graywacke
			C)	orthoquartzite
			D)	all of these are types of sandstone
11			Shale differs from mudstone in that: Need a Hint?
			A)	shale has larger grains than mudstone
			B)	shale is layered and fissile whereas mudstone is massive
			C)	shale has smaller grains than mudstone
			D)	there is no difference between shale and mudstone
12			The chemical element found in dolomite that is not found in limestone is: Need a Hint?
			A)	calcium
			B)	carbon
			C)	magnesium
			D)	oxygen
13			A body of sedimentary rock of considerable thickness and with features that distinguish it from adjacent rocks is: Need a Hint?
			A)	a contact
			B)	a formation
			C)	a bedding plane
			D)	an outcrop
14			If sea-level drops or the land rises, what is likely to occur? Need a Hint?
			A)	a regression
			B)	a transgression
			C)	a tidal wave
			D)	a decrease in the value of shorefront property
15			The process whereby rocks are changed to sediment is called Need a Hint?
			A)	lithification
			B)	deposition
			C)	weathering
			D)	compaction
16			A sedimentary rock composed of angular particles of gravel is called: Need a Hint?
			A)	breccia
			B)	conglomerate
			C)	sandstone
			D)	gravelstone
17			Sedimentary particles with a size range larger than 256 mm: Need a Hint?
			A)	gravel
			B)	boulders
			C)	clay
			D)	cobbles
18			A layer in which the grain size changes vertically through the layer is called: Need a Hint?
			A)	foliated
			B)	cross-bedded
			C)	graded bedding
			D)	is not observed in nature
19			Cross-bedding observed in sand dunes can be used: Need a Hint?
			A)	to determine the direction the wind was blowing
			B)	to determine the speed of the wind
			C)	to determine the height of the sand dune
			D)	all of these
20			Sedimentary rocks provide clues about: Need a Hint?
			A)	Earth surface conditions at the time the sediment was depsoited
			B)	temperate climates
			C)	tropical climates
			D)	polar climates