Science Final 6th Grade
Terms in this set (117)
What is the measure of the average kinetic energy of air molecules?
How do you measure temperature?
What is the air that is in motion relative to the Earth's surface called?
How do you measure wind direction?
Wind vane or wind sock
How do you measure wind speed?
What is the pressure that a column of air exerts on the air below it called?
How do you measure air pressure?
What is the amount of water vapor in the air called?
How do you measure humidity?
What causes a cold front to form?
Colder air mass moves toward warmer air mass
What kind of weather happens at a cold front?
Clouds, precipitation and many times severe storms
What causes a warm front to form?
Lighter, warmer air moves over heavier, colder air
What kind of weather happens at a warm front?
Clouds form and results in steady rain for several days
What is the long term average of weather patterns of an area?
What are the 3 types of weather information we look at to figure out a climate of an area?
Temperature, Wind and Precipitation
Name 4 climate controls?
Latitude, Ocean Currents, Prevailing Winds, Distribution of land and water, Human Influences
What are the characteristics of a highland climate?
Cool to cold temps in mountains and high plateaus
What are the characteristics of a mediterranean climate?
Mild, wet winters, hot dry summers, happens on western side of continents.
Which ocean is covered in ice and is located in the northern most of the earth?
Which ocean is the shallowest?
Which ocean is the largest, but getting smaller due to subduction zones?
Which ocean is growing larger due to mid-ocean ridges?
Which ocean connects 3 of the other oceans?
What is a bathymetric map?
A map of the bottom of the ocean
What does a bathymetric map show?
Geologic features of the bottom of the ocean
What is Sonar?
A ship sends out an underwater pulse and people on ship measure how long it takes the sound to bounce back to ship. They use the speed of sound to measure how deep ocean is.
What are the 2 factors that determine how dense ocean water is?
Temperature and Salinity
How do ocean currents help balance heat around the earth?
Ocean currents carry heat from the equator to the poles
Which results in the densest water?
Low temperature and high salinity
When oceans freeze what happens to the salinity?
Gets saltier (goes up)
What causes surface currents to form?
The wind tugging on the water at the top of the ocean
What causes deep ocean currents to form?
The differences in water density
What layer of the atmosphere is closest to the Earth and is the layer where all life is found?
What layer of the atmosphere is just above the stratosphere and the temperatures gets lower as you go higher?
Which layer of the atmosphere contains the ozone layer?
Which layer of the atmosphere has no upper limit and eventually falls off into space?
What type of radiation is sometimes felt as heat?
Humans can see radiation in what wavelength of light?
What type of radiation causes skin to ran or sunburn?
What is the same of the spectrum that is used to describe differences in radiation?
What is the distance between one peak or crest of a wave of light?
The air above the __________ rises when it is warmer and less dense?
If the ozone layer disappeared, life on Earth would be exposed to ________________levels of ultraviolet radiation.
When a surface warms up, the air above it ________ and creates an area of ___________ pressure near the surface of the Earth.
Air moves from areas of ______ pressure to areas of _____ pressure.
When a layer of warm air sits on a top of a layer of cold air, trapping pollutants close to the Earth's surface, what occurs?
Why is it colder near the poles than near the equator?
At the poles, the beam of sunlight is spread out over a larger area
What are the colors of the visible light spectrum, in order from longest wavelength to shortest wavelength?
red, orange, yellow, green, blue, indigo, violet
What are the 4 main agents of erosion and deposition?
Water, wind, gravity and glaciers
A _________ is a landform consisting of loose sand and gravel and is located along a shore.
Sand is brought to the shore from inland areas by_________.
Rivers or streams
Once the sand is deposited at the shore, it is moved further along the shore by ___________
Cliffs are formed by the ________ ________ of waves at the base of rocks that are exposed along the coasts.
Wind lifts and _________ loose materials.
What are the 3 types of wind-blown deposits?
Sand dunes, loess and esker
What are large masses of ice and snow called?
Glaciers move at a rate of __________ per day.
What are the 2 types of glaciers?
Valley/Alpine and Continental
Which type of glacier is bigger - Continental or Valley/Alpine?
Which type of glacier is more common - Continental or Valley/Alpine?
As glaciers move, what is trapped at the bottom of the ice and creates grooves and scratches?
Rocks and gravel
What do glaciers deposit?
Till, Moraine, Outwash
Mast wasting is a form of erosion caused from....
What are rapid gravity-caused events that move soil, loose rock and boulders?
What contains a mixture of soaked soil and rock material?
What involves loosened rock falling from steep cliffs?
What occurs when a block of rock and the overlying soil slide down a slope as one large mass?
Is Frost Wedging an example of physical or chemical weathering?
Is pebbles rubbing against each other in a stream becoming smoother an example of physical or chemical weathering?
Is iron combining with oxygen in water and resulting in rust an example of physical or chemical weathering?
Is rocks breaking down into smaller pieces but their composition doesn't change an example of physical or chemical weathering?
Is plant roots growing in cracks in rocks an example of physical or chemical weathering?
Is rocking breaking apart and changing their composition an example of physical or chemical weathering?
Is Sulfur dioxide and water vapor combining to form acid rain an example of physical or chemical weathering?
Is Feldspar reacting with water and turning into clay an example of physical or chemical weathering?
What is the type of weathering that does NOT change the mineral composition of rocks?
What involves the freezing and thawing of water in cracks of rocks?
What is a mixture of weathered rock, minerals and organic matter called?
What type of weathering changes the mineral composition of a rock?
What is the name of sediments from erosion laid down in a new location?
The action of ___________running downhill is the dominant process in shaping the landscape.
What is a form of erosion that is caused by gravity?
What occurs when a river rises and overflows the sides of its bank?
What are dynamic systems that erode, transport sediment, change course, and flood in natural and recurring patterns?
What is a large mass of ice and snow called?
What is the wide, flat valley that is located along the sides of older rivers and streams called?
What is the movement of weathered material from one location to another called?
When a volcano erupts, the molten material that flows onto Earth's surface is called....
Molten rock below the Earth's surface is called...
Which type of plate boundary forms a volcanic arc?
Ocean to continent convergent
Which type of plate boundary forms an island arc?
Ocean to Ocean convergent
What type of volcano forms at hot spots?
What type of volcano forms at convergent plate boundaries?
What type of plate boundary is where fissure eruptions happen?
Eruptions of basaltic lava are usually...
Quiet and non explosive
Eruptions of granitic lava are usually...
violent and explosive
Magma from deep inside Earth rises toward the Earth's surface because it is _________dense that the surrounding rock?
Basaltic lava has high/low silica content and high/low viscosity?
Granitic lava has high/low silica content and high/low viscosity?
Mt St Helen is an example of what type of volcano?
Hawaiin islands are what type of volcanos?
Iceland has what types of eruptions?
What is the shape of a shield volcano?
What is the shape of a composite volcano?
Tall, magestic moutain
What is the shape of a Cinder Cone volcano?
Steep sided, cone shaped
Which volcano has alternating layers of lava and tephra?
Which volcano is made of layers of tephra and ash?
Which volcano is made of basaltic lava?
Which volcano has explosive eruptions?
Which volcano has quiet eruptions in which lava spreads over a wide area?
Which volcano has both quiet and explosive eruptions?
What is a large amount of very fine grained tephra called?
What is a fast moving body of hot gases, ash and rocks called?
What is a fast-flowing mixture of volcanic debris and water called?
What can mix with water to form acid rain?
Most _______ _______ move slowly enough that humans can be warned of possible danger.
Maria camps near a beautiful lake that was formed by a sunken volcanic crater. What is that called?