Exam 1

Question 1

Covalent Bond

Answer 1

Shared (diamond)

Question 2

Ionic Bond

Answer 2

exchange/transfer (salt - NaCl)

Question 3

Divergent Boundary

Answer 3

spreading apart, Early (red sea), mid (greenland), late (atlantic)

Question 4

transform

Answer 4

sliding across each other, needed for a sphere

Question 5

convergence

Answer 5

coming together, subduction

Question 6

Physical properties

Answer 6

Luster (metallic vs non), hardness (talc -1, calcite - 3, Quartz - 7, Diamond - 10), Streak, Color, Fracture/cleavage

Question 7

Earth Composition

Answer 7

O, Si, Al, Fe, Ca, Na, K, Mg

Question 8

Crystal Habit vs Form

Answer 8

Habit: ideal condition and formula for a mineral, Form: same across species due to atomic structure, vary in face development

Question 9

Ocean crust

Answer 9

5-10 km, 3 g/cm, basalt (mafic), newer

Question 10

Continental Crust

Answer 10

2.7 g/cm, older, Granite (felsic), 35-70 km

Question 11

Mantle

Answer 11

Between liquid/solid, lower = more liquid, convection, 4.5 g/cm

Question 12

Outer core

Answer 12

Liquid, iron, nickel, magnetic field, 10-12 g/cm

Question 13

Inner core

Answer 13

iron, nickel, solid 13 g/cm3

Question 14

What makes a mineral a mineral

Answer 14

Solid, inorganic, naturally occurring, formed geologically, definite chemical formula, ordered atomic structure, specific properties

Question 15

Erasthothenes

Answer 15

Determined circumference (round) over 2k years ago

Question 16

Capernicus and Galileo

Answer 16

Heliocentric, Earth orbits sun, but it isn’t the center of the universe

Question 17

Patolomy

Answer 17

Planets move

Question 18

Newton

Answer 18

Planets motion was explained by theory of gravity

Question 19

Pelligram

Answer 19

1858 - Continents puzzle fit into each other

Question 20

Wegner

Answer 20

1915 - evidence supporting continental drift

Question 21

Hess/Dietz

Answer 21

1960 - sea floor spreading (mechanic for drift)