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Final Exam Review

List nonrenewable resources. oil, coal, natural gas
Describe the weather that cold and warm fronts bring. Draw the symbol for each Cold front - thunderstorms, heavy rain, or snow, cool weather folllows Warm front – drizzly rain, followed by clear, warm weather
How do clouds form? Water vapor cools in the sky and condenses into clouds.
What is Humidity? Humidity is the amount of moisture in the atmosphere.
Describe the differences between land and sea breezes. Land – at night, cool dense air from land pushes warm air over the water up. Sea – during the day, cool dense air from the water pushes warm air over the land up.
Explain the difference between evaporation and condensation. Evaporation – liquid water heats up and turns into a gas Condensation – gas turns into liquid
What is the percentage of freshwater compared to saltwater? Freshwater = 3% Saltwater = 97%
Define atmosphere. Layer of gases that surround and protect Earth
List 4 main clouds and describe the weather each brings. Cumulus – fair weather; Cirrus – cold, change weather; Stratus – fair, light; Cumulonimbus – heavy thunderstorms
In what conditions do hurricanes form? Where do they form? Hurricanes – warm, moist and forms over water, low pressure
What are the most abundant gases found in the atmosphere? What are the distribution percentages? Nitrogen – 78%; Oxygen – 21%; Other – 1%; (including water vapor)
What are the 2 monthly tides? What causes them and describe what happens to the ocean water during these tides. Spring and Neap – both caused by the gravi. pull of the earth, sun, and moon. Spring – water bulges, straight line, and full and new moons; Neap – water is evened out, at right angles, and 1st and 3rd quarters
How is FRESHWATER distributed? Most to least. Ice, groundwater, lakes and rivers, water vapor
Label the parts of the ocean floor. Continental shelf, Continental slope, Abyssal plain
When does a hurricane stop? Hurricanes stop when it hits land and loses energy
What are some ways for farmers to practice water conservation. Contour plowing, preventing erosion, terracing, crop rotation, cover crops, less pesticides, no till farming, watering at night
Where on Earth does sunlight shine the most direct and the least direct? Most direct – equator; Least direct – at the poles
Explain how global winds are created. Unequal heating of the earth’s surface
High and low pressure systems that mix can create ___. wind, fronts, tornadoes, weather
Why does the Gulf Stream bring warm/moderate temperatures to the coast of Europe? b/c the gulf stream is a warm water current it brings mild temperatures to the coast of Europe
How do tornadoes form? Where do tornadoes commonly occur? High speed winds, cumulonimbus clouds, low pressure meets high pressure, flat land,
Explain how inertia and gravity work together to keep the planets in orbit. Inertia keeps planets moving around the sun as gravity keeps it close to the sun.
Why is Earth able to have life? Liquid water, right gases, and moderate temperature
Difference between meteor, meteoroid, and meteorite, comets, and asteroids. Meteoroid – made from comets and asteroids; Meteor – bright flash of light as it’s burning in the atmosphere; Meteorite – lands on earth; Asteroids – rocks in asteroid belt; Comets – ice and dust traveling around sun
Describe the difference between the geocentric and heliocentric models. Geocentric – objects revolve around earth Heliocentric – objects revolve around the sun
What did Kepler, Copernicus, Ptolemy, and Galileo discover? Kepler – elliptical orbit Copernicus – heliocentric model Ptolemy – geocentric model Galileo – used telescope to prove heliocentric model
What did the Big Bang Theory observe about galaxies? Galaxies are expanding/moving away from each other
Explain how our solar system is put together. Solar system has planets, one star, asteroids; objects stay in orbit due to sun’s gravity and inertia
Why do we have seasons? b/c the axis is tilted and earth revolves around the sun
What are the effects of Earth’s revolution around the sun and rotation on its axis? Rotation – 24 hrs of day and night; Revolution - year
What is the difference lunar and solar eclipses? -position of objects -moon phases -shadow?
Created by: youngahrhee