FREE EARTH SCIENCE AND STUDY GAMES ABOUT CH.3

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FREE EARTH SCIENCE AND STUDY GAMES ABOUT CH.3

KEY TERMS EXAM QUESTIONS

Qs and Ans Expert- Explanation

This Exam contains:

-Guarantee passing score -18 Questions and Answers -format set of multiple-choice -Expert- Explanation

Question 1: the way a mineral looks when it breaks apat in an irregular way

Answer:

fracture Question 2: liquid magma that reaches the surface:also, tthe rock formed when liquid lava hardens

Answer:

lava

Question 3: a mixture in which one substance is disolved in another

Answer:

solution Question 4: the process by which ore is melted to seperate the useful meatal from other elements

Answer:

smelting

Question 5: a naturally occurring, inorganic solid thta has a crystal structure and a definite chemical composition

Answer:

mineral Question 6: a hard colorful mineral has a brilliant or glassy luster and is valued for its apperance

Answer:

gemstone

Question 7: a minerals ability to split easily along flat surfaces

Answer:

cleavage

Question 8: a hollow rock inside which mineral crystals have formed

Answer:

geode

Question 9: rock that contains a metal or economically useful mineral

Answer:

ore Question 10: a solid in which the atoms are arranged in a pattern that repeats again and again

Answer:

crystal

Question 11: the way a mineral reflects light from its surface

Answer:

luster Question 12: a narrow deposit of a mineral that is sharply different form the surrounding rock

Answer:

vein

Question 13: a scale ranking ten minerals from softness to hardness: used in testing the hardness of minerals

Answer:

Mohs Hardness Scale Question 14: the molten mixtrue of rock forming substances, gasses , and water from the mantle

Answer:

magma

Question 15: not formed form living things or the remains of living things

Answer:

inorganic Question 16: a sloid mixture of two or more elements , at least one of which is metal

Answer:

alloy

Question 17: the color of a minerals powder

Answer:

streak Question 18: the process by which atoms are arranged to form a material with a crystal structure

Answer:

crystallization