Vocabulary VII

Question 1

Biosphere

Answer 1

is the sphere that includes all the living organisms on earth.

Question 2

Lithosphere

Answer 2

is the sphere that includes the Earth’s ground, crust, ocean basins and the upper part of the mantle

Question 3

Atmosphere

Answer 3

is the sphere that includes all the gases that surround in and through the Earth, including empty spaces

Question 4

Troposphere

Answer 4

is the layer closest to the earth where our weather occurs

Question 5

Stratosphere

Answer 5

is above the troposphere, and is where ozone occurs and airplanes fly

Question 6

Mesosphere

Answer 6

is the layer above the stratosphere. It is cold and protects us from meteors

Question 7

Thermosphere

Answer 7

is the layer before outer space. It is where satellites orbit

Question 8

Hydrosphere

Answer 8

is the sphere that includes all the fresh and salt water on the planet

Question 9

Asthenosphere

Answer 9

the semisolid part of the mantle. Where convection currents occur. The source of magma

Question 10

Crust

Answer 10

the upper layer of the Earth. Made up of the continental and oceanic crusts, including the ocean basins

Question 11

Moho

Answer 11

the area separating the mantle from the crust

Question 12

Mantle

Answer 12

the largest layer of the earth. It is semisolid at the top, and solid near the bottom

Question 13

Convection currents

Answer 13

circular currents of heating, rising, and cooling that occur in the asthenosphere, atmosphere, and hydrosphere

Question 14

Outer core

Answer 14

the next layer towards the surface from the inner core. Made up of liquid iron and nickel.

Question 15

Inner core

Answer 15

the innermost part of the earth. Made of solid iron and some nickel

Question 16

Oblate spheroid

Answer 16

a slightly flattened sphere