Front

Which of the following represents weathering of rocks?

• the bumping and scraping of rocks in a river
• the movement of rocks along the river
• the settling of rocks at the bottom of the river
• the covering of rocks with sediments

Back

the bumping and scraping of rocks in a river

Front

Which of the following represents erosion?

a rock sitting

,

precipitation on a rock

,

a rock moving

,

one rock hitting another

Back

a rock moving

Front

Fast moving water will cause rocks to bump and scrape each other. What will happen to these rocks over time?

Back

They will get smaller.

Front

Erik put sugar cubes in a glass jar and shook it 50 times. He poured out the sugar cube and compared it to the original size and shape. What process is he studying?

Back

weathering

Front

Why should Gerardo cover the dirt with a tarp in his backyard?

Back

To prevent rain from carrying the dirt downhill.

Front

Which of the following is NOT an example of erosion?

• wind blowing sand
• rain falling onto the beach
• sand castles becoming smaller
• ocean waves moving sand back and forth

Back

rain falling onto the beach

Front

What is flood water pounding on a canyon wall and wearing it down an example of?

Back

weathering

Front

What is rain washing away soil an example of?

Back

erosion

Front

What is water getting into rocks and freezing breaking apart the rock an example of?

Back

weathering

Front

What is muddy water being carried away by a fast moving river an example of?

Back

erosion