Test Your Knowledge About the Unit 2 Chapter

What is your name?

1. A student reads about a diamond sample that came from South Africa, and determines that it was man-made. Which of the following statements would be true?

the sample is organic

the sample is a mineral

the sample is has Silicon and Oxygen

the sample is not a mineral

2. A student reads about a diamond sample that came from South Africa, and determines that it formed naturally. Which of the following statements would be true?

the sample is organic

the sample is a mineral

the sample is has Silicon and Oxygen

the sample is not a mineral

3. A student collects a sample of an igneous rock and determine that it has coarse crystals. These coarse crystals range in sizes from 1mm to 10mm. What inference can be determined from her laboratory analysis?

the igneous rock solidified extrusively (Volcanic).

the igneous rock formed at the bottom of the ocean.

the igneous rock solidified intrusively (Plutonic).

the igneous rock cooled quickly during solidification.

4. A student observes a boulder, and determines that the boulder is composed of rounded fragments (pebbles and cobbles) consisting of limestone, basalt, granite, marble, quartz and calcite. What kind of rock is it?

conglomerate

dunite

sandstone

gneiss

5. How are metamorphic rocks different than other rocks?

they have an organic origin that resulted in fossils forming

they contain only light mafic and felsic minerals

they form by heat and pressure

minerals are compacted and cemented together