Which scale is used by geologists to determine a mineral's resistance to scratching?

• Richter scale
• Mohs scale
• pH scale
• Density scale

What physical property of magma influences volcanic eruption style?

• Color
• Density
• Viscosity
• Temperature

Which chemical property explains the formation of limestone caves?

• Oxidation
• Magnetism
• Reactivity with acids
• Crystallization

Tags

NGSS.HS-ESS2-5

What happens to iron-rich minerals during oxidation?

• They become more transparent
• They form reddish colors
• They increase in density
• They become magnetic

How do physical properties differ from chemical properties?

• Physical properties change the substance's identity
• Physical properties can only be measured in laboratories
• Physical properties don't alter the substance's composition
• Physical properties require chemical reactions

Tags

NGSS.MS-PS1-4

When wood burns, this demonstrates a:

• Physical change only
• Chemical property
• Phase transition
• Mechanical property

Which property of galena affects its position in sedimentary layers?

• Color
• Density
• Hardness
• Cleavage

What determines whether minerals will metamorphose into new forms?

• Their color and luster
• Their crystal structure
• Their stability under heat and pressure
• Their magnetic properties

High-silica magmas are characterized by:

• Rapid flow rates
• Low viscosity
• Higher explosivity
• Quick cooling

Which is an example of a physical property?

• Flammability
• Reactivity
• Melting point
• Toxicity