Answer all the questions, please.
The material in the mantle increases in density as it moves towards the crust and cools. true or false.
Where does the energy/heat that creates convection currents in the mantle come from?
The Sun
The Sun
The Core
The Core
Earthquakes
Earthquakes
Volcanoes
Volcanoes
Item 3
POSSIBLE POINTS: 1
What technology first allowed scientists to view the ocean floor?
Telescopes
Telescopes
Radar
Radar
X-rays
X-rays
Sonar
Sonar
Item 4
POSSIBLE POINTS: 1
Material at the top of a mid-ocean ridge is OLDER than material found farther away from the mid-ocean ridge
True
True
False
False
Item 5
POSSIBLE POINTS: 1
Which of the following is not related to the ocean changing in shape and size?
Ocean Currents
Ocean Currents
Convection currents
Convection currents
Subduction
Subduction
Sea Floor Spreading
Sea Floor Spreading
What is the term for a chain of underwater mountains along which sea-floor spreading occurs?
Subduction
Subduction
Underwater Eruptions
Underwater Eruptions
Mid-Ocean Ridge
Mid-Ocean Ridge
Earthquakes