Chapters 17-21
Chapters 22-24
Chapters 25-28
Chapters 29-30
Random
100
The ozone layer is found in which layer of the atmosphere?
The stratosphere
100
Which term describes the moon's position when its gravitational pull most strongly affects Earth's tides?
a.) apogee
b.) perigee
c.) countercurrent
b.) perigee
100
A total solar eclipse occurs when the tip of the moon's _____ reaches Earth at perigee.
shadow
100
What are the three types of fossils?
Trace fossils
Cast fossils
Mold fossils
100
Which forms during the night because water cools slower than land?
a.)easterlies
b.)land breeze
c.)westerlies
d.)sea breeze
b.) land breeze
200
What is dew point?
The temperature at which saturation occurs and condensation begins.
200
The uneven distribution of charge at opposite ends of a water molecule is known as...
a.) density
b.) polarity
c.) hydrogen bonding
d.) salinity
b.) polarity
200
A type of nuclear reaction called ______ provides the sun's energy.
fusion
200
Together, the Archean and the Proterozoic Eons make up what is known as ______ time.
Precambrian time
200
The Aikten Basin on the moon is the largest known ______ in the solar system.
crater
300
What is it called when a cold front catches up to a warm front?
An occluded front
300
A higher than normal high tide is called...
When the Moon, Earth, and the Sun are lined up together, the combined pull of the Sun and Moon causes a higher than normal high tide, also know as a spring tide.
300
Which planet has polar caps of frozen carbon dioxide?
mars
300
Scientists correlate layers of rock over long distances by comparing the _________ found embedded in the rocks.
index fossils
300
the outermost layer of the sun's atmosphere.
the corona
400
What is the Coriolis Effect?
The Coriolis Effect is the tendency of an object moving freely over Earth's surface to curve away from its path of travel.
400
The flattest surface on Earth is...
the abyssal plain
400
Actual brightness of a star...
luminosity
400
What is half-life?
Half-life is the time it takes for half the radioactive atoms in a sample to decay to a stable product.
400
Which star system is closest to Earth, after the Sun?
Alpha Centuri
500
The weather in the U.S. is impacted by which set of global winds?
The westerlies
500
Which sediment type is also called an ooze?
biogenous
500
What is light a form of?
electromagnetic radiation
500
The sea scorpion, or ________, is an index fossil of the Silurian Period.
Brachiopod
500
Describe two ways in which evolution might occur.
climate change or new predators