INTRO TO EARTH SCIENCE

COURSE DESCRIPTION


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INTRODUCTION TO EARTH SCIENCE
ESCI 121
Fall 2010
Section 05

DAILY OBJECTIVES
Reminder:  We have an exam on Thursday!  The exam will include hands-on work with lab materials.

By the end of today's class, you should be able to do the following:


w Review:  Demonstrate the correct use of a hand lens for examining minerals and rocks.

w
Review:  Describe some of the characteristics of minerals that allow us to classify them and discern their properties, including luster, color, and hardness.

w Demonstrate how to approximate the hardness of a mineral specimen, using a scratch plate and other tools available in the lab.

w
Explain how to tell if a mineral specimen has a specific gravity or density that is much higher or much lower than that of most other minerals.

w Demonstrate how to use a streak plate to determine a mineral specimen's streak, and explain why the streak sometimes is not the same color as the mineral specimen.

w Explain why some minerals exhibit mineral cleavage, and how and why cleavage is different for different minerals.

w Demonstrate how to determine the number and direction of cleavage planes of a mineral sample.

w Demonstrate how to determine a mineral's solubility.

w List the two common ways to recognize that a mineral is soluble in a weak acid.

w
Demonstrate how to use a mineral identification key.

 
NEIU DEPARTMENT OF EARTH SCIENCE

CAREERS IN EARTH SCIENCE

AVERAGE SALARY FOR GEOSCIENTISTS:  $79,160

Department of Earth Science | Northeastern Illinois University

Copyright 2010 Laura L. Sanders.  Last updated September 20, 2010.