Convection Quiz

What is convection

• the denser an object the more it sinks

• The Transfer of heat through the movement of a fluid

• Cold air sinks warm air rises

• warm air sinks cold air rises

What happens to an objects density as the fluid becomes hotter

• It Decreases

• It Increases

• It stays the same

• It dies

What happens to an object when its density decreases

• It rises

• It sinks

• It stays the same

• it floats

What is the name of a plastic like layer in which the convection current is occuring that drives the movement of the plates?

• Lithosphere

• Athenosphere

• Mantle

• Outer Core

What causes a convection current to occur in a fluid

• Tempeture Difference

• Density Difference

• Color Difference

• Size Difference

Where is magma hottest

• Bottom of the Mantle

• The crust

• The top of the mantle

• Top of the lithosphere

What are tectonic plates

• Broken up pieces of the athenosphere

• Broken up pieces of the mantle

• Broken up pieces of the crust

• Broken up pieces of the lithosphere

Who came up with the theory of plate tectonicts

• Jeff Wilson

• Alfred Wenger

• J.Tuzo Wilson

• Tyler Azzaro

What is the name for the top lable?

• Mantle

• Crust

• Inner Core

• Outer Core

What is the name for the middle top lable?

• Mantle

• Crust

• Inner Core

• Outer Core