weathering

Question 1

weathering

Answer 1

the break down of rocks and other substances,(remains in same place)

Question 2

mechanical

Answer 2

physically broken down to smaller pieces

Question 3

chemical

Answer 3

break down through chemical changes

Question 4

ice wedging

Answer 4

water freeze, expands, form cracks

Question 5

abrasion

Answer 5

get smoother by friction or water, edges fall off

Question 6

animal actions

Answer 6

scrapping rocks or bring up to surface for other weathering.

Question 7

plant growth

Answer 7

roots break rocks apart

Question 8

hydrolysis

Answer 8

WATER dissolves minerals in rock

Question 9

oxidation

Answer 9

water combined with iron, rust weakens rocks.

Question 10

carbonic acid

Answer 10

carbon dioxide dissolves in rain water, easily break rocks like marbles or limestone.

Question 11

living organisms

Answer 11

moss or fungi, bacteria producing weak acids dissolves rock around roots

Question 12

acid rain

Answer 12

over burning of fossil fuel which reacts with water vapor in clouds, producing acid -rapid weathering

Question 13

climate

Answer 13

气候

Question 14

type of rock

Answer 14

how fast a rock dissolves