FREE AND STUDY GAMES ABOUT 6 JOE SCI CH 9 EXAM

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FREE AND STUDY GAMES ABOUT 6 JOE SCI CH 9 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -62 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: _____ rocks - form when mineral-rich water evaporates and from other chemical processes

Answer:

chemical

Question 2: Common minerals - most rock-forming minerals are ______ or ______

Answer:

silicates carbonates

Question 3: metamorphic means what?

Answer:

to change form

Question 4: _____ describes how light reflects from a mineral's surface>

Answer:

luster

Question 5: Chalk is a kind of limestone made from the _______ of tiny animals and algae.

Answer:

fossils

Question 6: What is true of all minerals?

Answer:

they are inorganic solids

Question 7: What is true about how all detrital rocks form?

Answer:

form from grains of preexisting rocks

Question 8: What is the difference between Cleavage & fracture?

Answer:

Cleavage has a smooth break Fracture has a hard brake Question 9: _____ igneous rock forms when melted rock cools beneath Earth's surface.

Answer:

intrusive

Question 10: What kind of rocks are produced by volcanic eruptions?

Answer:

extrusive

Question 11: What are rocks usually composed of?

Answer:

minerals Question 12: Minerals from ________ or lava or through evaporation or precipitation.

Answer:

magma

Question 13: ________ rocks do not have layers or bands.

Answer:

nonfoliated Question 14: The remains or trace of a once-living plant or animal is called what?

Answer:

fossil Question 15: Rocks having visible layers or elongated mineral grains are called_____ rocks.

Answer:

foliated Question 16: Time, _______, and heat, and events such as erosion and moving land masses, make new rocks out of old rocks.

Answer:

pressure Question 17: Crystal _______ is the main difference between intrusive and extrusive igneous rock.

Answer:

size

Question 18: How can sedimentary rocks be classified?

Answer:

detrital, chemical, or organic

Question 19: _____ can erupt, bringing a lava flow to Earth's surface.

Answer:

volcanoes Question 20: Inorganic solid material with a particular chemical makeup and orderly arrangement of atoms

Answer:

minerals

Question 21: What forms when melted rock material from inside the earth cools?

Answer:

igneous rock

Question 22: Ores must be _______ to extract the mineral.

Answer:

smelted Question 23: ______ rocks - made of grains from minerals or other rocks that have been compressed.

Answer:

detrital

Question 24: solid materials with repeating pattern of atoms are called _____

Answer:

crystals

Question 25: Rare minerals which can be cut and polished are______

Answer:

gems Question 26: ______ rocks form in layers from broken rock, shells, plants, and other materials.

Answer:

sedimentary

Question 27: What determines the hardness of a rock?

Answer:

Mohs scale Question 28: Color or _______ (color of a powdered mineral) helps identify minerals.

Answer:

streak