Seafloor, Layers of the Atmosphere, & Thermal Energy Review

Which layer is known as the weather layer?

• stratopshere
• thermosphere
• mesosphere
• troposphere

Which layer of the atmosphere contains a special form of oxygen called the ozone layer?

• mesosphere
• stratosphere
• thermosphere
• ionosphere

What happens to the density (thickness)/ air pressure of the air as you increase in altitude?

• density increases
• density decreases
• density stays the same
• density disappears

What are the two most abundant gases in earth's atmosphere?

• nitrogen & oxygen
• carbon dioxide & water vapor
• hydrogen & oxygen
• oxygen and ozone

What is the layer of gases that surrounds the planet and makes conditions on Earth suitable for living things?

• gravity
• density
• air pressure
• atmosphere

Large mountain ridges under the ocean that are formed when molten material from deep within the Earth flow up to the surface.

• Deep ocean trench
• abyssal plain
• guyot
• mid-ocean ridge

seamount

• underwater atoll
• underwater volcano
• underwater island
• underwater hot spring

Abyssal plain

• long mountain range
• deep cut in the ocean floor
• large flat area deep on the ocean floor
• eroded island

What feature is marked by letter A?

• Continental slope
• Continental shelf
• Continental rise
• continent

What seafloor feature is marked with the letter G?

• Mid-ocean ridge
• submarine canyon
• abyssal plain
• deep ocean trench