The video tutorial by Mr. Schweitzer covers the lab practical for rocks and minerals, focusing on igneous, sedimentary, and metamorphic rocks. It explains the characteristics of each rock type, such as gas pockets in igneous rocks, shell fragments in sedimentary rocks, and banding in metamorphic rocks. The tutorial also discusses mineral properties, including luster, hardness, cleavage, and streak, providing a comprehensive guide for students preparing for the exam.

Which characteristic is most indicative of an igneous rock?

• Layering

• Gas pockets

• Pebbles

• Fossils

What texture is associated with obsidian?

• Layered

• Pebbly

• Glassy

• Fossilized

What is Coquina primarily composed of?

• Shell fragments

• Crystals

• Sand

• Pebbles

Which feature is NOT typically found in sedimentary rocks?

• Fossils

• Layering

• Pebbles

• Gas pockets

Tags

NGSS.MS-LS4-1

What term describes the shiny appearance of some metamorphic rocks?

• Glassy

• Pebbly

• Foliated

• Layering

What is the term for the banded appearance in some metamorphic rocks?

• Crystallization

• Foliation

• Layering

• Banding

How can you differentiate between metallic and nonmetallic minerals?

• By their color

• By their luster

• By their streak

• By their hardness

What does a mineral's hardness indicate?

• Its luster

• Its color

• Its streak color

• Its ability to scratch glass

What is the term for a mineral that breaks along flat surfaces?

• Fracture

• Cleavage

• Streak

• Luster

What does the streak test reveal about a mineral?

• Its transparency

• Its true color

• Its luster

• Its hardness