Weathering

What is weathering?

• The temperature of the air.

• The act of sharing the weather forecast.

• The changing of the Earth's surface through chemical or physical processes.

Tags

NGSS.MS-ESS2-2

Weathering

• acts slowly over time

• acts quickly over time

Mechanical Weathering includes:

• freezing and thawing

  (frost wedging)

• plant growth

  (root wedging)

• grinding rock on rock

  (abrasion)

• acid rain

Tags

NGSS.MS-ESS2-2

What molecule dissolves in rainwater and forms carbonic acid, which easily weathers rock?

• Carbon dioxide

• Oxygen

• Ozone

• Iron Oxide

Tags

NGSS.MS-ESS2-2

NGSS.MS-PS1-2

_________ have roots that naturally produce weak acids when they grow, slowly dissolving rock around roots.

• Palm Trees

• Oak Trees

• Dandelion

• Lichen

Oxygen reacting with iron is called ________ and produces ________.

• oxidation; rust

• oxidation; pollution

• carbon dioxide; erosion

• sulfuric acid

Tags

NGSS.MS-PS1-5

Which term below refers to the average weather conditions in an area?

• climate

• weather

Tags

NGSS.MS-ESS2-6

What process that breaks down rocks through chemical changes such as those that include water, oxygen, carbon dioxide, living organisms and acid rain?

• chemical weathering

• erosion

• mechanical weathering

• weathering

Tags

NGSS.MS-ESS2-4

This is showing an example of______________________.

• physical weathering

• chemical weathering

• acid precipitation

• erosion

Tags

NGSS.MS-ESS2-2

Oxidation is_____________________________.

• an example of chemical weathering

• when oxygen reacts with compounds in rocks, causing a reaction

• when the oxygen in the air mixes with precipitation

Tags

NGSS.MS-PS1-2