Weathering
What types of changes are included in the process of weathering?
A. Chemical changes
B. Physical changes
C. Both
C. Both
Is erosion a natural process?
What is erosion?
Erosion is the process of carrying away weathered bits of rock.
What comes first, weathering or erosion?
Weathering
Can tree roots break down rocks?
Yes, tree roots can break down rocks.
After weathering occurs, what is left over from the rocks that have been broken down?
Dirt and soil
What is weathering?
Weathering is the process of breaking down rocks in Earth's crust into smaller pieces.
Your class observes rocks. One sample is found in layers and feels rough and grainy. What type of rock is this?
Sedimentary
Are erosion and weather dependent on one another? Explain
Yes, they both need to occur for the cycle to continue.
Glaciers crushing rocks as they move is an example of...
Physical Weathering
What is the name for broken up pieces of rock?
Sediments
Can weathering be stopped?
No
Which of these options does NOT cause erosion?
A. Sun and Moon
B. Water and Wind
C. Glaciers and Gravity
D. Plants and Animals
A. Sun and Moon
What direction does erosion move Earth materials?
Downward
When my grandmothers house was built, I remember the paint on the porch was white. Now it has chipped. What is this caused by?
Physical Weathering
Give an example of erosion.
Possible answer: Waves hitting the shoreline and changing the shape of the coast.
Can erosion be stopped?
No
One way water breaks down rocks is by:
A. Filling up a lake.
B. Repeatedly freezing and thawing in cracks.
3. Washing away the shoreline.
B. Repeatedly freezing and thawing in cracks.
What is the difference between weathering and erosion?
Weathering is the process of breaking parts of the earth down. Erosion gets rid of the elements of the Earth that have moved and are left behind.
True or False: Plants and animals can cause weathering.
This is TRUE because plants and animals give off chemicals that cause weathering.
What does a muddy river tell you about erosion?
The muddy water is carrying eroded rock and soil from upstream.
True or False: Landforms cause weathering.
This is FALSE because weathering causes landforms.
Give an example of a landform near where you live.