Qz B Changes Chemical and Physical

Which process in geology represents a physical change where rocks break apart without altering their chemical composition?

• Oxidation of iron-rich minerals
• Formation of sinkholes
• Mechanical weathering
• Magma crystallization

What occurs during frost wedging?

• Chemical bonds break and new minerals form
• Water freezes and expands in rock cracks, causing splitting
• Rocks dissolve in acidic solutions
• Minerals undergo chemical transformation

Tags

NGSS.HS-ESS2-5

In the formation of sandstone, what type of change occurs to quartz grains?

• The quartz undergoes a chemical reaction
• The mineral composition changes completely
• The grains maintain their chemical identity but change arrangement
• The quartz transforms into a new mineral

Which geological process primarily involves chemical changes?

• Erosion of rock surfaces
• Oxidation of iron-rich minerals
• Sediment compression
• Rock fragmentation

What type of change occurs when limestone transforms into marble?

• Purely physical change
• Only chemical transformation
• Both physical and chemical changes depending on conditions
• Neither physical nor chemical change

How do oil spills demonstrate physical changes in environmental science?

• Oil chemically reacts with seawater
• Oil transforms into a new substance
• Oil floats and spreads while maintaining its chemical identity
• Oil undergoes molecular restructuring

Tags

NGSS.MS-PS1-2

What characterizes the formation of acid rain?

• Simple state change of water
• Physical mixing of air pollutants
• Chemical reaction creating new substances
• Mechanical dispersion of particles

Tags

NGSS.HS-PS1-2

Which process represents a chemical change in environmental science?

• Evaporation of pollutants
• Formation of ground-level ozone
• Movement of oil across water
• Distribution of particles in air

What happens during the burning of fossil fuels?

• Physical state change only
• Chemical reaction producing new substances
• Simple mechanical breakdown
• Physical dispersion of particles

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-4

How do pesticides demonstrate both physical and chemical properties in the environment?

• They only undergo physical changes
• They exclusively react chemically
• They combine solubility properties with chemical persistence
• They remain completely unchanged