Weathering
What are the two types of weathering?
Physical and Chemical
How does a stream table model what conditions cause different amounts of erosion and deposition.
the stream table allows us to see how things happen in a much shorter time than the real world.
What is an event that has a rapid change?
earthquakes, flash flood
What are 3 examples of renewable resources?
Air, Soil, animals, plants, water
How can you tell the steepest part of the mountain on a topographic map.
The side with the lines closest together.
What is an example of physical weathering?
freezing/thawing, tumbling rocks,
What limitations are important to remember about how stream tables represent nature?
-We always need to consider that models are not exactly like the real world.
What is an event that happens slowly?
Erosion, Glaciers, Freezing water
What are three examples of nonrenewable resources?
Coal, Oil, Natural gas, Minerals, sand
Who is Mrs. Wexler's favorite Dodger?
Teoscar Hernandez
An example of chemical weathering is..
acid rain
Would water flow faster in a river or a mountain stream? explain.
A mountain stream. It has a steeper slope.
When do earthquakes happen?
When huge sections of Earth's crust slide past each other on a fault.
What is the definition of renewable resources?
Something that is continually recreated and is available for use again within a relatively sort time.
List the materials from biggest to smallest. (Sand, Clay, Pebbles)
Pebbles, Sand, Clay
How does soil form?
when rock is weathered down and then mixes with humus.
How do large particles move downstream?
What is a landslide?
the sudden movement of earths materials down a slope.
What is the definition of nonrenewable resources?
is only available in limited amounts, and it can take a long, long time to be renewed. It can be used up
To prevent danger, scientist design buildings that can absorb the force of an...
earthquake.
-the parent rock
-the amount of weathering can differ
-the humus depends on what plants and animals live and die in the area.
What does a model allow us to focus on?
certain variables in order to test different conditions.
What is a volcano?
an opening in Earth's crust where lava, cinders, ash, and gases come to the surface.
What are three examples of alternative sources of energy?
solar energy, wind power, moving water, nuclear power, geothermal power
What is the smallest earth material.
Clay