The mechanical and chemical processes that change objects on Earth's surface over time are called _______.

• weathering

• climate

• weather

• acid rain

Tags

NGSS.MS-ESS2-2

When rocks are broken down into smaller and smaller pieces by physical processes is..........

• weathering

• chemical weathering

• mechanical weathering

• climate change

What is friction from wind, moving water, and waves abrades and breaks down rock.

• expansion

• conduction

• convection

• abrasion

When chemical reactions change the materials that hold rocks together, forming new substances.

• chemical weathering

• mechanical weathering

• weathering

• oxidation

Tags

NGSS.MS-PS1-2

When free oxygen (oxygen NOT combined with other elements) combines chemically with metallic elements and forms substances called oxides.

• oxidation

• oxone

• oxygen

• rust

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

When water combines with minerals in rock and chemical breakdown occurs.

• hydrolysis

• oxidation

• abrasion

• beyonce

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-2

Water that contains carbonic acid and dissolves minerals is called ______.

• hydrolysis

• oxidation

• abrasion

• carbonation

When water freezes in rocks and cracks it open...

• frost wedging

• wedging

• frosty

• weathering

Biological weather is what type of weathering?

• mechanical weathering

• chemical weathering

Hydrolysis is what type of weathering?

• mechanical

• chemical