1. The best evidence of the Earth's nearly spherical shape is
obtained through
A)
B)
C)
D)
6. The diagram below represents a cross section of a
portion of the Earth's crust.
observations of other planets
photographs of the Earth from a satellite
observations of the Sun's altitude
observations of the Moon
2. An observer watching a sailing ship at sea notes that the
ship appears to be "sinking" as it moves away. Which
statement best explains this observation?
A)
B)
C)
D)
The surface of the ocean has depressions.
The Earth has a curved surface.
The Earth is rotating.
The Earth is revolving.
3. To an observer on the Moon, the Earth in full phase
would appear to be shaped like
A) an egg
C) a pear
B) a basketball
D) a football
4. Which of the following is true about the Earth’s crust?
A)
B)
C)
D)
It floats above a layer of flowing hot magma.
It is the thickest layer of the Earth.
It is the hottest layer of the Earth.
It mostly consists of iron.
5. Base your answer to the following question on the
diagram below. The diagram represents Earth's interior
zones.
Which statement about the Earth's crust is best supported
by the diagram?
A) The oceanic crust is thicker than the mantle.
B) The continental crust is thicker than the oceanic
crust.
C) The continental crust is composed primarily of
sedimentary rock.
D) The crust is composed of denser rock than the
mantle is.
7. Which part of the Earth is most likely a liquid zone?
A) inner core
C) mantle
B) outer core
D) crust
8. Theories about the composition of the Earth's core are
supported by meteorites that are composed primarily of
A)
B)
C)
D)
oxygen and silicon
aluminum and iron
aluminum and oxygen
iron and nickel
9. According to the data below, what is the exact shape of
the Earth?
Scientists have classified Earth's interior into the zones
shown based primarily on evidence gained by studying
A)
B)
C)
D)
deep drill cores
volcanic eruptions
gravity measurements
earthquake seismic waves
A) a perfect sphere
B) slightly bulging at the Poles
C) slightly bulging at the Equator
10. The layer of rock around the Earth is called the
A) lithosphere
C) atmosphere
B) hydrosphere
D) terrasphere