Quiz Review: Earth's Shape & Spheres

Earth's true shape is a

• Sphere

• Square

• Oblate Spheroid

All are pieces of evidence of Earth's rounds shape EXCEPT..

• Photos from space

• Reflection during a Lunar Eclipse

• Boats "sinking" on the horizon

• We have gravity

How can we describe an oblate spheroid?

• Equatorial Diameter is shorter than the Polar Diameter

• Polar Diameter is shorter than the Equatorial Diameter

• Polar and Equatorial Diameter are equal

In which two Earth regions is oxygen the second most abundant element by volume?

• crust and hydrosphere

• hydrosphere and troposphere

• troposphere and core

• core and crust

Measurements taken from space show the Earth to be

• greatest in diameter at the Equator

• greatest in diameter at the poles

• a perfect sphere

The north-south distance between the Earth's Equator (0º) and the North Pole (90º N) is 10,002 kilometers. The distance between 0º and 10º N is 1,106 kilometers. Which statement is best supported by this information?

• The shape of the Earth is not perfectly spherical.

• The lines of longitude are not parallel.

• The north-south distance for every 10º of latitude is a constant value.

• The Earth's equatorial radius and polar radius are equal.

Earth's hydrosphere is best described as the

• solid outer layer of Earth

• liquid outer layer of Earth

• magma layer located below Earth's stiffer mantle

• gaseous layer extending several hundred kilometers from Earth into space

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

The hydrosphere covers approximately what percentage of Earth's lithosphere?

• 100%

• 70%

• 50%

• 25%

Tags

NGSS.MS-ESS2-4

The graph represents percentage of elements by volume. This graph best represents the elements of the Earth's

• lithosphere

• hydrosphere

• troposphere

• stratosphere

Tags

NGSS.MS-ESS2-1

Which two elements make up the greatest percentages by mass in Earth's crust?

• oxygen and potassium

• oxygen and silicon

• aluminum and potassium

• aluminum and silicon