Earth Science

Sample Test #3

1.  Which of the following statements is true of minerals?

            (a).  the luster describes crystalline structure of a mineral

            (b). any mineral that shines with a metal-like appearance has a golden streak

            (c).  the color of a given mineral is always helpful in identifying that mineral

            (d).  the hardness of a mineral is its resistance to abrasion or scratching

            (e).  the streak is interchangeable (i.e. the same) with color of a mineral

2.  Sedimentary rocks form by:

            a).  crystallization of molten magma or lava

            b).  settling of mineral and organic particles on Earth’s surface

            c).  transformation of other rocks under changed pressure and temperature

            d).  accumulation of sediments inside the Earth’s crust

            e).  deposition of air borne materials

3. Which of the following is NOT an igneous texture?

            a).  Foliations (alignment of platy minerals)

            b).  phaneritic (coarse visible crystals)

            c).  aphanitic (fine invisible crystals)

            d).  porphyritic (combination of two different sizes of crystals)

            e).  glassy (very fine shiny crystals)

4.  Urbanization in a watershed will most likely:

(a). Increase flooding in rivers and streams in an area

(b). Reduce flooding problems in an area

(c).  Protect citizens from flood damage

(d).  Make life easy by removing water pollution in streams

(e).  Have a positive impact on biodiversity

5.  Which of the following features is NOT associated with a meandering river?

(a).  Floodplain

(b).  Natural levee

(c).  Oxbow-lake

(d).  Kettle lake

(e).  Cutbank

 

6.  Which of the following is not a coastal depossitional feature?

(a).  spit

(b).  tombolo

(c).   delta

(d).   barrier island

(e).    sea cliff

7.    Permeability refers to:

1. the ability of sediments and rocks to transmit water through them
2. the proportion of voids and pores in sediments and rocks
3. the ability to hold water
4. the permanency or strength of materials
5. the amount of interconnected perms in rocks

8.  Which of the following is not a correct statement:

                a.  Metamorphic rocks form by weathering of pre-existing rocks

                b. igneous rocks may undergo metamorphism

                c. sedimentary rocks can be weathered

                d. when magma crystallizes, it becomes igneous rock

                e. both igneous and sedimentary rocks can melt to form magma

9.  All silicate minerals contain these elements:

a.        Silicon and oxygen

b.       Silicon and iron

c.        Silicon and carbon

d.       Silicon and calcium

e.    Silicon and aluminum

10.  A ground water table separates:

a.    recharge areas from a discharge areas

b.    lakes from a floodplain

c.    zone of saturation and zone of aeration

d.    table salt deposits from gypsum

e.    permeable layer from an impermeable layer