Mechanical, Biological and Chemical Weathering
Presentation
•
Science
•
6th - 8th Grade
•
Hard
Joseph Anderson
FREE Resource
5 Slides • 6 Questions
1
Weathering
2
Poll
3
4
What is Weathering?
The natural breakdown of Earth's surface
Physical or Chemical
5
Physical (Mechanical) Weathering
Substance breakdown
Does not effect chemical composition
6
Chemical Weathering
Chemical reactions between rocks, the air, and water.
Water is able to dissolve most minerals.
Rocks can take YEARS to CHEMICALLY weather!
7
Multiple Choice
8
Multiple Select
9
Multiple Choice
10
Multiple Choice
11
Open Ended
Weathering
Show answer
Auto Play
Slide 1 / 11
SLIDE
