Rock and Mineral Review

Which table correctly matches rock textures with a sedimentary rock that exhibits each texture?

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Tags

NGSS.MS-ESS2-3

Which two minerals are commercial sources of iron?

• galena and graphite

• muscovite mica and biotite mica

• garnet and fluorite

• hematite and magnetite

Which rock is composed of a mineral that can be used for the production of cement?

• basalt

• limestone

• rock salt

• rock gypsum

What are the rock name and map symbol used to represent the sedimentary rock that has a grain size of 0.006 to 0.2 centimeters?

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Tags

NGSS.MS-ESS2-3

Which of the following best describes a method for comparing the hardness of two mineral samples using the Mohs hardness scale?

• Use a chemical test to determine which mineral dissolves faster in an acid solution.

• Scratch each mineral sample with a set of reference minerals and note the highest mineral that can scratch each sample.

• Measure the density of each mineral sample and compare their weights.

• Observe the color of each mineral and compare their hues.

Which of the following minerals is known for its hardness of 10 on the Mohs scale?

• Quartz

• Talc

• Diamond

• Topaz

Which type of rock is formed from the cooling and solidification of magma or lava?

• A. Sedimentary

• B. Metamorphic

• C. Igneous

• D. Organic

What is the main difference between intrusive and extrusive igneous rocks?

• Intrusive rocks form outside the Earth, while extrusive rocks form inside.

• Intrusive rocks cool quickly, while extrusive rocks cool slowly.

• Intrusive rocks cool slowly, while extrusive rocks cool quickly.

• There is no difference; they are the same.

True or False: Sedimentary rocks often have a layered appearance because they form from the accumulation and compression of sediments over time.

• True

• False

If you find a rock with visible crystals and a coarse texture, which type of igneous rock is it most likely to be?

• A. Basalt

• B. Obsidian

• C. Granite

• D. Pumice