Unit 3 (NEW)

This gas increases the deeper you go into the ocean.

• Nitrate

• Oxygen

• Carbon Dioxide

• Neon

Is seawater more basic or acidic than fresh water?

• acidic

• basic

What is salinity?

• The total amount of dissolved water

• The total amount of dissolved solids in water

• The amount of water found in a single salt crystal

• The capillary action of water

What two things can increase the speed of sound in water?

• decrease pressure and depth

• increase pH level and turbidity

• decrease pressure and wind speed

• increase pressure and salinity

What is the color of the wavelengths of light that are absorbed in the ocean the fastest?

• Red and Blue

• Green and Orange

• Orange and Red

• Yellow and Red

What color is mostly seen in bioluminescent orangisms?

• Blue

• green

• yellow

• red

This layer in the ocean is marked by rapidly changing temperature

• pycnocline

• thermocline

• halocline

• tempercline

The ocean's salinity greatly increases with depth in which zone?

• Changocline

• thermocline

• halocline

• pycnocline

Based on this image, what are the two most abundant salts found in the ocean?

• Calcium and Sodium

• Sodium and Chloride

• Sodium and Magnesium

• Potassium and Chloride

Based on this graph, what depth do we find our thermocline?

• Between 8 and 10 meters depth

• Between 6 and 8 meters depth

• Between 12 and 14 meters depth

• Between 18 and 20 meters depth