NOS-Scientific Methods
Rocks
Weathering/Erosion
Landforms
100
What is a constant (or controlled) variable?
Variables that are the same in a lab
100
What rock is formed when undergoing heat and pressure within Earth's interior
Metamorphic
100
Breaking and cracking of rocks from wind, water, or gravity is an example of what kind of weathering
Physical weathering
100
What is this landform?
Delta
200
What is the independent variable?
The variable (factor) you purposely change to test
200
This rock undergoes a melting and cooling process from the interior earth.
Igneous
200
When gases get into the air or water and cause acid rain, that can cause what kind of weathering
chemical weathering
200
What is this photo?
Dune, coastline, shoreline
300
What is the dependent variable?
Affected by the change, measured.
300
The sun's heat causes convection currents, which helps the processes of weathering and erosion and the ultimate formation of what rock
Sedimentary
300
What is physical weathering
Breakdown of rocks that is a physical change. They remain the same rock, just a different size or shape.
300
A river carries water from a _______ elevation to a ______ elevation.
higher to lower
400
What is a systematic observation?
Needs to recognize patterns in experiments
400
If rocks are observed to have animals carving lines in them, what process is happening
Physical Weathering because of animals
400
What is chemical weathering
breakdown of rock that alters the molecular make up. Changes the foundation of the rock
400
This large ice sheet moves sediments
Glacier
500
If someone is studying rocks, are they considered an
A-Chemist
B-Biologist
C-Geologist
D-Hydrologist
C-Geologist
500
This process can cause the breakdown of rocks
Weathering