Review Ocean water and atmosphere

What two elements make up water?

• Helium and oxygen
• Hydrogen and oxygen
• helium and carbon
• oxygen and carbon

Water is a universal solvent because it...

• It can be found anywhere
• It freezes when it gets cold
• floats when frozen
• Dissolves most substances

Tags

NGSS.HS-ESS2-5

The phase of matter with a definite volume but indefinite shape is a

• solid
• liquid
• gas

The phase of matter with a definite shape and volume is a

• solid
• liquid
• gas

The phase of matter in which the atoms are moving the fastest is

• solid
• liquid
• gas

In addition to salinity, what factor affects the density of seawater?

• depth
• latitude
• temperature
• salt content

What happens to pressure as you go deeper into the ocean? 

• increases
• decreases
• stays the same
• doubles

Why is the ice shelf floating?

• The ocean water is
  filled with vegetation
  that keeps
  the ice from sinking. 
• The ice is melting faster than it can sink
• The ice is warmer than the ocean water
• The ice is less dense than the ocean water.

Tags

NGSS.MS-ESS2-4

What term is the measure of dissolved salts in water?

• Thermocline
• Salinity
• Saltiness
• Tides

If I have freshwater that is less dense, what will it do in comparison to salt water that is more dense?

• The more dense water will float and the less dense water will sink.
• The more dense water will sink and the less dense water will float
• Nothing they will mix evenly.