A process that is usually slow, but can be very fast at times, that breaks rocks into smaller pieces.
What is weathering?
100
This part of a plant can break rocks apart.
What are roots?
100
Rocks are broken down by ____________ during chemical weathering.
What are chemicals?
100
This type of rock weathers much more quickly than granite. (Think of a type of fruit and a synonym for rock that create the compound word for this answer!)
What is limestone?
100
Erosin and weatering are both ___________ processes. (They break down/destroy things.)
What is destructive?
200
The two types of weathering.
What are mechanical and chemical weathering?
200
As the ice cracked from the salt and warm water there was a change in _____________ which caused it to crack even more. No ___________! You should know this!
What is pressure?
200
Raindrops absorb _(2 words)__ from the air to create carbonic acid.
What is carbon dioxide?
200
Mechanical and chemical weathering help make this very important material.
What is soil?
200
Deposition is a ___________ process. (It builds things up.)
What is constructive?
300
When water freezes, it _________.
What is expands?
300
Plant roots break plants apart faster in ___________, ________, conditions.
What are warm and wet?
300
In chemical weathering the chemicals __________ the rocks or parts of it.
What is dissolve?
300
Weathering is the breaking down of rocks but ___________ is the movement of materials like broken rocks from one place to another.
What is erosion?
300
These large pieces of ice not only cause weathering but they also cause erosion as well.
What are glaciers?
400
Ice expanding in the cracks in rocks and breaking them apart is a type of mechanical weathering called_____.
What is ice wedging?
400
Any type of weathering is considered a ______________ process.
What is destructive?
400
What did we put on the ice/rock to illustrate chemical weathering?
What is salt?
400
The main force causing erosion.
What is gravity?
400
Broken down rock that is moved and deposited to create soil and new rocks is called ____________.
What is sediment?
500
This force pulls everything down. It's what's keeping you in your seat right now!
What is gravity?
500
Plant roots, ice wedging, wind, water, and gravity are examples of this particaular process.
What is mechanical weathering?
500
_________ and other __________ give off chemicals that change some types of rock. (Think about living things!)
What are fungi and organisms?
500
___________ is the placing of materials, like broken rocks, in a new place.
What is deposition?
500
Who is (or are if you have two) the best science teacher in the world?
Who is Mr.C? or Who is Mrs. Ross? or Who is Mrs.Boykin? or Who are Mrs.West and Mrs.Powell? (The best science teacher(s) in the world will tell you if you are right.)