Mountains, Valleys, & Coasts

How does freezing water cause the weathering of rocks?  The freezing water—

• keeps the rocks in place.
• makes the rocks last longer.
• expands cracks and breaks rocks.
• causes rocks to fall in landslides.

Tags

NGSS.MS-ESS2-2

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

• Weathering
• Erosion
• Deposition
• Decomposition

Tags

NGSS.MS-ESS2-2

Over long periods of time, deposition may change the Earth’s surface by _____.

• forming new land features.
• breaking down large rocks into smaller ones.
• washing away beaches.
• moving topsoil.

Tags

NGSS.MS-ESS2-2

A cliff formed near the ocean.  Which statement best describes how this cliff formed?

• Warm air melted the rock.
• Sun rays evaporated the rock.
• Ocean waves washed away rock.
• Plant roots pushed away the rock.

Tags

NGSS.MS-ESS2-2

Deposition changes the Earth’s surface because bits of broken rock and soil _____.

• stop rivers from flowing.
• make rich farmlands.
• are dropped in new places.
• move very slowly.

Tags

NGSS.MS-ESS2-2

The process by which water, ice, wind, or gravity moves weathered rock and soil from one place to another.

• Weathering
• Erosion
• Deposition
• Crop Rotation

Which of these is an example of erosion?

• Light shining onto a mountain.
• Rain breaking down rocks on a mountain into smaller pieces. 
• Wind blowing away sediment to a new place on the mountain.
• All of the above.

Tags

NGSS.MS-ESS2-2

How do plants weather rocks?

• During photosynthesis
• When roots grow into cracks of rocks and expand the rock breaks.
• When the plant moves water from the roots to the leaves, the rock breaks.
• Plants don't weather rocks.

Tags

NGSS.MS-ESS2-2

Which of the following is NOT a type of chemical weathering?

• water

• carbon dioxide

• frost wedging

• living organisms secreting acid to break down rocks

Which of the following is NOT a type of physical weathering?

• burrowing plants
• ice wedging
• plant roots
• acid rain