How do andesitic and basaltic magma differ?
basaltic magma does not causes explosions
What property of water makes frost wedging happen?
it expands when it freezes
In coastal areas during the day warm air rises off of the land and cool air from over the ocean moves in to take its place, what would cause this?
Which theory first explained what was happening at the ocean ridges and trenches?
Sea Floor Spreading
Which layer of the earth is the most massive?
What else advances 50 minutes per day just like the tides?
moon rise and moon set
The shapes of which two continents suggest that they were once connected together
South America and Africa
At a subduction boundary which plate will go downward?
the densest one
How can plate tectonics change climates on Earth?
by changing lattitude, elevation, and causing volcanic eruptions
A volcano with gradually sloping sides and a very broad base is a
Stripping away layers of soil from flat land, caused by wind or run off is called?
Which of the following is an example of erosion?
a river carrying sand in its current
What is the cause of most major earthquakes?
What is the cause of earthquakes in our area, along the New Madrid fault?
a stress fault
How do chemical and mechanical weathering differ?
Chemical weathering can change rock into something new, mechanical weathering can not
Volcanoes in the middle of a plate such as Hawaii and Yellowstone are caused by
a hot spot
Which best describes a mudslide?
a fast downhill movement of water and soil
Minerals are not:
Fossils are found in which type of rock?
Earth's atmosphere is mostly:
Which is a cause of Earth's seasons?
the tilt of Earth's axis
In which month is the earth closet to the sun?
Which of these is evidence that the earth revolves around the sun?
change of the stars positions (parallax) throughout the year
Approximately how much of the Earth's surface is covered by water?
True or False the Earth has a circular orbit
Why would you weigh more on the poles than on the equator, keep in mind the shape of the earth and Newton Law of Universal gravitation?
you are closer to the earth's center at the poles
Which of the following best describes the Earth's lithosphere plates?
they are solid and move on top of the asthenosphere
Mineral in lava rocks can show the direction of the Earth's __________ when they formed.
Which of the following best describes the asthenosphere?
semi-solid and can flow
Which of the following is not true about the Mid Atlantic Ridge?
Hawaii is located above it
In the rock cycle, rocks are classified into three groups depending on:
how they formed
Where does the energy that drives Earth's wind come from?
Evidence for the Big Bang Theory comes from:
the Doppler Effect
How is magma different from lava?
magma is only below earth's surface
Magma rises toward the surface of the earth because it:
is less dense than its surroundings
How many seismograph stations do you need to locate an earthquake's epicenter?
The Richter scale:
measures the magnitude of an earthquake
The sun and all of its planets formed where from a:
Coastal volcanoes like the Cascades in Washington and Oregon are usually:
Where is the western divide of the Mississippi river system?
What causes all mass movements?
Which of the following is the least reliable property of minerals when used to identify them?
Which of the following is evidence for Sea Floor Spreading?
magnetism of the ocean floor
What type of boundary forms the Aleutian Islands of Alaska?
Which of the following is located at an Uplifting boundary?
The river with the largest drainage basin in North America is the:
Which layer of the earth is the smallest?
What is the isostatic response to glaciers going away?
The land drained by a stream and its tributaries is called a
This happens in response to stress when rocks are not flexible
Which of the following was not used as evidence for the Continental Drift Theory?
modern day animals
Subduction boundaries and uplifting boundaries are both types of :
What causes earthquakes in southern California?
the San Andreas fault
Which of the following is true about surface waves?
they are the slowest and most damaging waves
In which climate is chemical weathering the most effective?
tropical rain forest
The suspended load of a river:
flows with the current
A curve in a river caused by different rates of erosion on each bank is called a:
Which of the following is not one of the three types of stress?
Which type of strain happens when rocks are ductile (bendable/stretchable)?
When a continent becomes folded in a large scale what will the anticlines of the folds become?
The phases of the moon are caused by:
the moon's revolution
How do mountains affect the temperature of a climate?
temperature drops with increased altitude
Why is Venus hotter than Mercury?
it has a strong greenhouse effect
The strength of gravity between two objects depends on:
their mass and distance from each other
What shape do planetary orbits have?
Compared to solar eclipses, lunar eclipses:
If the dark region of the moon is growing each night then the moon is:
Half of the moon is always lit by the sun, that part of the moon is always facing the:
Which type of rock is found only in a thin band on the earth's upper crust, and is the least common type of rock on earth?
Which of the following has rings?
all have rings
Why does the moon have more impact craters on it than the earth?
the moon has no erosion or atmosphere
Which type of weathering involves a direct chemical reaction between water and rocks?
Why do the polar ice caps not melt away every summer?
ice reflects almost all of the solar energy
The part of the Electromagnetic spectrum that can be divided into colors is called?
Why does a subducting ocean plate melt into magma?
it has water in it acting as a flux
Where does the warm humid air that affects our climate and that of the south eastern states come from?
The Gulf of Mexico
The type of mechanical weathering that includes uplifted rocks expanding
Which spectrum is used to study the hot gases of a star?
How does air pressure affect a climate's moisture?
high pressure makes dry climates
Which planet is the largest of the inner planets?
These markings on bed rock show the direction of a glaciers movement.
Climates at mid latitude are known for having these.
Which soil horizon is also known as top soil?
Cutting steps into the sides of hills to prevent run off erosion is known as:
What feature of igneous rocks can tell you they cooled on the earth's surface?
In a convection current what type of material moves upward?
Large boulders moved into an area by glaciers are called?
Trees can be used to prevent erosion by this method:
Soil can be made of sediments of various sizes, which of the following is not a component of soils.
Which of the following could cause the earth's climate to warm?
increase in solar energy
Why are the polar regions of the earth cooler than the rest of the planet?
This feature shows the final boundary of all glaciers.
Soil texture can be tested by:
What do all tropical climates have in common?
Which of the following is not a part of the new planet definition?
Platy, blocky, and single grained all refer too:
Which planet is the third form the sun?
at is the Mercalli scale based upon?
As you go deeper into the earth what increases with temperature?
What is the name of this class?