Weathering of Rocks

The process of slowly breaking rocks into smaller pieces is called

• weathering
• erosion

How do plants weather rocks?

• Plants don't weather rocks.
• 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.

Water seeps into cracks in rock. When the water freezes, it expands causing the crack to get bigger. This is known as ____________________________. Mark ALL that apply.

• Ice Wedging

• Root Wedging

• weathering

• erosion

• deposition

Tags

NGSS.MS-ESS2-2

As rain falls, it mixes with the gas carbon dioxide in the air. The result is __________.

• rain drops.

• rust.

• acid rain.

• sleet.

Acid rain is strong enough to ________ some minerals in rocks. What word completes the sentence?

• dissolve

• mix

• measure

• add

Tags

NGSS.MS-ESS2-2

NGSS.MS-PS1-2

What can acid rain do?

• eats away at the outside of buildings

• blurs the faces of stone statues

• erases the lettering on old gravestones

• all of the above

When iron mixes with oxygen and water, what reaction takes place?

• rust forms

• acid rain forms

• no reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5