Weathering and Erosion NEHI

Front

Which of the following is NOT a type of chemical weathering? water, carbon dioxide, ice wedging, living organisms secreting acid to break down rocks

Back

ice wedging

Front

What is weathering?

Back

The breaking down of
Earth’s crust into smaller
and smaller pieces.

Front

What is erosion?

Back

The process by which water, ice, wind or gravity moves fragments of rock and soil.

Front

Which of the following is NOT a type of physical weathering? burrowing plants, ice wedging, plant roots, acid rain

Back

acid rain

Front

A marble statue is left exposed to the weather. Within a few years, the details on the statue have begun to weather away. This weathering probably is caused by...

Back

carbonic acid in rainwater

Front

Which of the following is an example of physical weathering? Acidic groundwater dissolving limestone, frost wedging, Paper being burned

Back

frost wedging

Front

The diagrams show a natural process that weathers rock. Which statement best explains why this process results in weathering?

Back

water expands when it freezes

Front

What is mechanical weathering?

Back

Process through which rocks are physically broken into smaller pieces.

Front

Which type of climate will have faster chemical weathering? Options: Hot and Wet, Cold and Dry, Hot and Cold, Cold and Wet

Back

Hot and Wet

Front

How do plants weather rocks? Options: during photosynthesis, when roots grow into cracks of rocks and expand the rock, when the plant moves water from the roots to the leaves

Back

when roots grow into cracks of rocks and expand the rock