Water Composition, Waves, Currents, & Tides Quiz Review

What percent of the Earth is water?

• 23.5%

• 3.5%

• 71%

• 97%

Tags

NGSS.MS-ESS2-4

What percent of Earth is fresh water?

• 23.5%

• 3%

• 71%

• 97%

Tags

NGSS.MS-ESS2-4

What percent of Earth is salt water?

• 23.5%

• 3%

• 71%

• 97%

Tags

NGSS.MS-ESS2-4

Where is all of the freshwater locked up at?

• Lakes

• Rivers

• Aquifers

• Glaciers

Tags

NGSS.MS-ESS2-4

What percent of ocean water is salt per gram? 

• 23.5%

• 3.5%

• 71%

• 97%

What creates surface currents?

• Wind

• Temperature

• Earthquakes

• Salinity

Tags

NGSS.MS-ESS2-6

What creates deep currents?

• wind and temperature

• salinity and wind

• temperature and salinity

• gravity and wind

Tags

NGSS.MS-ESS2-6

Which part of the ocean below has the lowest temperatures and highest salinity?

• Euphotic Zones

• deepest parts of the ocean

• shallow tropical oceans

• seamounts

What is the scientific name for salt?

• sodium hydroxide

• sodium peroxide

• naproxem sodium

• sodium chloride

Only 3% of the water on Earth is freshwater. About 60% of that water is not available for man's use. Why is this?

• it is frozen

• it is polluted

• it is too salty

• it is in aquifers