Oceans/Check in

How were the sub days?

Water on Earth came from

• Comets and meteorites

• Rain

• Magic

• Hydrogen and oxyegn combining

Oxygen levels in the ocean are highest at _____

• there is no oxygen in the ocean

• the surface

• the bottom

• the shore

Salinity is

• the amount of dissolved salts

• the amount of undissolved salts

• the amount of water in the ocean

• the amount of precipitation

Temperature of the ocean _____ with depth

• increases

• decreases

• stays the same

• gets saltier

What is the average salinity of the ocean?

• 1 ppt

• 100 ppt

• 35 ppt

• 0 ppt

What is thermohaline circulation?

• magic

• drives the global ocean conveyor belt

• when water stays still

• how hot the water is

A wave is ____, generated mainly by ____

• movement that carries energy, wind

• how water moves, the sun

• something on the beach, heat from the core of the Earth

As temperature decreases, density ____

• decreases

• increases

• stays the same

• gets hotter

What is density?

• amount of mass in a specific volume

• weight of something

• height of something

• how salty water is