Lab: Mineral and Rock Classification — Unit test Answers

25 verified answers

Which phrase describes how metamorphic rocks form?

form from melting

form at Earth’s surface

form from sediments

form from existing rocks

Which phrase describes foliated rocks?

tend to break in half

grains arranged randomly

tend to split apart along bands

grains arranged in increasing size

Which example describes a use for gemstones?

fabrics

plastics

drill bits

paper clips

Which describes gneiss?

igneous

formed from shells

tends to split along bands

grains randomly arranged

This image shows a model of the rock cycle.

compacting of sediments on the mountain

cooling as the lava runs down the mountain

weathering of the mountain from the environment

eroding of different rocks at the base of the mountain

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