Landforms
What is a small body of water surrounded by land? Smaller than a lake...
A pond
97% of the Earth's water is in the .........?
The oceans
The interior of Earth is made up of the crust, mantle (upper and lower), and the inner and outer ________?
Core
What river drains more than 40% of the freshwater in the United States?
The Mississippi River
The envelope of gas that surrounds the Earth is known as the .....
atmosphere
What is a slowly moving river of ice?
A glacier
Where do Chicagoans get their water from?
Lake Michigan
What are the huge slabs of the Earth's crust that constantly move around carrying the continents and the ocean floor called?
PLATES
What is the flat land beside a river that gets covered with water during floods?
The flood plain
Global warming, melting ice/rising sea levels, and extreme weather events are all impacts of this current atmospheric event...HINT: humans are making this worse...
The greenhouse effect
What is a long, narrow sea inlet that is bordered by steep cliffs?
A fjord
What is the most powerful force of erosion?
What is continental drift?
250 million years ago, Earth's supercontinent started to break apart into the continents of today.
The upper basin is the source or the deposit of a river?
the source
What is the biosphere?
The layer of the atmosphere that includes all living things. It overlaps all the other spheres.
How are primary landforms formed? Two possible answers
Volcanic and/or tectonic activity
Name the four stages of the water cycle...
Precipitation, evaporation, condensation, transpiration
What is the ring of fire?
A horseshoe-shaped zone around the edges of the Pacific Ocean that is known for its high levels of tectonic activity, including earthquakes and volcanoes.
What is an alluvial fan?
A fan-shaped deposit of sediment that forms when a river or stream flows out of a steep, narrow valley onto a flatter, open plain.
What is the most shallow part of the ocean?
The continental shelf
How are divergent boundaries (rift valleys, ocean ridges) formed?
When plates spread out, rather than fold in. Folding in would create mountains.
How does agriculture negatively impact the water cycle?
Irrigation adds extra water to some areas, changing natural water flow.
Fertilizers and pesticides can enter the water cycle through runoff, polluting rivers and groundwater.
Name three pieces of evidence to support the theory of Pangea, or continental drift.
2. fossil evidence
3. rock and mountain correlation
How do rivers/water work as erosional agents?
hydraulic action (water has velocity), abrasion (rock against landscape), and attrition (rock on rock).
What two gases make up most of our atmosphere?
Nitrogen (78%) and Oxygen (21%)