Date post: | 29-Dec-2015 |
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Aim: What information will be covered on our minerals exam?Objective: Students will know the information required of them for their exam.Do now: Knowing more then one mineral property is important when identifying it because…
Information on test
• What are minerals• Properties of minerals: luster, streak,
hardness, magnetism, cleavage or fracture, and color
• How to find streak• How to find hardness• How to read the Mohs hardness scale
• How do you find the streak of a mineral?• 1) Scratch it with a steel file• 2) Scratch it with the streak plate• 3) Rub it against a streak plate• 4) hit it with a hammer
• What is the difference between metallic and nonmetallic luster?
• 1) metallic is metal and nonmetallic is powder• 2) metallic shines like metal and nonmetallic
does not• 3) metallic means it is magnetic and
nonmetallic is not• 4) metallic is green and nonmetallic is gray
• What is the scale called that hardness is measured on?
• 1) Einstein’s scale• 2) Herman’s scale• 3) Joe’s scale• 4) Moh’s scale
If a mineral has cleavage how should the broken pieces of the mineral look?
• 1) If a mineral has cleavage than the pieces will be flat and similar in shape to the original.
• 2) If a mineral has cleavage than the piece will have rough edges
• 3) If a mineral has cleavage it will not look like the original mineral
• 4) If a mineral has cleavage it will break into larger pieces