Question | Answer |
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? | |