Department
of Earth Science |
Northeastern
Illinois University
INTRODUCTION
TO EARTH SCIENCE
ESCI 121
Section 05
Spring 2009
Daily
Objectives #7
(February 3, 2009)
Dr. Sanders
By the end of today's class, you should be able to do the following:
w Review: Describe
the lithosphere and the asthenosphere, and tell
where each layer is located within the Earth.
Minerals and Rocks
w Review:
Put mineral samples into groups according to their hardness rankings on the
Mohs hardness
scale: harder than glass, softer than a fingernail, or between
fingernail and glass.
w Review:
Tell whether a given mineral sample has a metallic luster, or non-metallic
luster.
w List and explain the mineral properties
most commonly used to describe/identify minerals:
▫ hardness
▫ luster
▫ color
▫ cleavage ▫
specific gravity (density)
▫ streak
▫ taste
▫ magnetism ▫ reaction with acid
(effervescence or odor)
w Demonstrate that you can test an unknown
mineral sample for each of the mineral properties listed above.
w
Demonstrate that you can use a mineral key to identify an unknown mineral
sample.
w Explain
the difference between minerals and rocks.
Don't forget: Exam #1 is on Thursday!
© 2009 Laura L. Sanders. Last updated February 2, 2009.