PMA

The weathering of landforms depends on various factors. Which area would MOST likely have the fastest rate of chemical weathering?

• hot and dry regions

• warm and moist regions

Weathering and erosion help to shape the surface of Earth. Which BEST represents an example of weathering?

• Wind and rain break large rocks into smaller pieces.

• Flowing water transports rocks to the ocean.

Water is a very important part of the physical weathering of rock. Which of these properties of water is MOST important in causing some of the physical weathering of rock?

• Water is a liquid at room temperature.

• Water expands when it freezes.

Which of these gases in Earth’s atmosphere is MOST responsible for the chemical weathering of rock?

• oxygen

• nitrogen

A glacier can travel over the surface of Earth and reshape it. The chart describes three things a glacier can do.

Which terms BEST describe these glacial actions in the order as presented?

• chemical weathering, mechanical weathering, erosion

• weathering, erosion, deposition

Tags

NGSS.MS-ESS2-2

Limestone has weathered and eroded over thousands of years through the action of wind, acid rain, and other agents. Which type of energy is primarily involved as acid rain weathers the limestone?

• chemical energy

• thermal energy

Which is most directly responsible for building up a river delta?

• deposition

• leaching

Oceanic crust is composed mainly of basalt. Continental crust is composed mainly of granite. Why does oceanic crust generally tend to subduct under continental crust when plates collide?

• The oceanic crust is thicker than the continental crust.

• The oceanic crust is denser than the continental crust.

Tags

NGSS.HS-ESS1-5

What is the energy transformation that occurs in an electric pencil sharpener?

• mechanical energy to electrical energy

• electrical energy to mechanical energy

• radiant energy to sound energy

• chemical energy to mechanical energy

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

• Chemical to light

• Electrical to chemical

• Electrical to light

• Chemical to electrical