CUA Review

Why are many riverbanks covered in smooth, round pebbles?

• The rocks are deposited on the banks by the river.

• The rocks are weathered by rushing river water.

• The rocks are weathered by water that freezes inside them.

• The rocks are picked up and carried by the wind.

Dorian and Phillip went out to their backyard to play in the sandbox. Dorian noticed a pattern in the sand like the one shown in the image. What MOST LIKELY caused the pattern?

• Dorian's dog ran through the sandbox.

• Grass is trying to grow through the sand.

• Wind moved some of the particles of sand.

• Dorian's brother buried rocks under the sand.

Which of these changes can be caused by weathering from ice?

• • Sand dunes being formed 

• • Layers of sediments building up in deltas 

• • River carrying away soil and rocks 

• • Rocks breaking into smaller pieces 

Waves carrying sand down a beach is an example of 

• Erosion

• Dissolving

• Evaporation

• Weathering 

How does the freezing and thawing of water cause weathering of rocks? 

• • The thawing of water keeps the rocks wet 

• Freezing and thawing keeps the rocks in place 

  
  

• • The freezing water expands and causes cracks to widen 

• • Freezing of water makes the rocks roll down slopes 

What is the process that slowly breaks down rocks into smaller pieces over time? 

• Erosion

• Deposition

• Breaking

• Weathering

The process that breaks down rocks and other materials on Earth's surface is called

• Weathering

• Erosion

• Deposition

• Decomposition

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

The movement of the Moon around the Earth follows a pattern that can be viewed from Earth as different phases of the Moon. Observe the pattern above and the phase that is missing. Which image below is needed to complete the pattern?

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Which of the following lists names the phases of the Moon in the correct sequence?

• • Full Moon, New Moon, Third Quarter, First Quarter

• • New Moon, First Quarter, Full Moon, Third Quarter

• • Full Moon, First Quarter, New Moon, Third Quarter

• • New Moon, Full Moon, First Quarter, Third Quarter

In which phase does the Sun light the half of the moon facing away from Earth?

• first crescent moon

• full moon

• waning gibbous moon

• new moon