Earth Science Unit 2 Test

What characteristics are required to classify something as a mineral? Choose 2!

• Naturally formed
• Organic
• Made only of 1 element
• Crystal structure
• Metallic Luster

Which environment is most likely to form a chemical sedimentary rock? Choose 2!

• Ancient oceans
• Caves
• On the surface of an active volcano
• Deep inside earth's crust

How are rhyolite and granite alike? Choose 2!

Use your igneous rock ID scheme.

• light colored
• felsic
• mafic
• dark colored
• intermediate

If Mackenzie has a sample that scratches fluorite, but is scratched by orthoclase, what is the mineral hardness (to the nearest whole number)?

What is the parent rock of Quartzite?

Use your sedimentary rock ID scheme.

Which of the following would fizz with acid? Choose 3!

• basalt
• calcite
• halite
• limestone
• marble

The density of the sample to the nearest tenths place is ____________g/mL. NO UNIT. NUMBER ONLY

Which graph best represents the comparison of the average grain sizes in basalt, granite, and rhyolite? **Notice the graph numbers are a little out of order. 1 3 2 4

• Graph 1
• Graph 2
• Graph 3
• Graph 4

What peak is the shortest?

• Peak 1
• Peak 2
• Peak 3
• Peak 4

Which mineral content would be correct for a sample of basalt?

• 20% Potassium Feldspar, 20% Quartz, 10% mica, 50% Olivine
• 80% Olivine, 20% Pyroxene
• 45% Plagioclase feldspar, 35% Pyroxene, 20% Amphibole
• 10% Potassium Feldspar, 25% Quartz, 50% Plagioclase Feldspar, 5% Mica, 10% Amphibole