Water Distribution and Ocean Motion

What percent of Earth's surface is covered by water?

• 97%

• 3%

• 71%

• 50%

Tags

NGSS.MS-ESS2-4

What percent of total water is salt water?

• 97%

• 3%

• 71%

• 50%

How much of Earth's fresh water is frozen?

• 3%

• 0.003%

• 50%

• 2.4%

How much of the total water on Earth is suitable for human drinking?

• 3%

• 0.003%

• 2.4%

• 50%

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Most of Earth's water is located in the _____________ .

• oceans

• poles

• underground

• atmosphere

Tags

NGSS.MS-ESS2-4

Most of Earth's frozen water is found _______________

• in the ocean

• around the poles

• near the equator

• underground

Tags

NGSS.MS-ESS2-4

The following are examples of frozen water.

• rivers

• lakes

• underground water

• icecaps and glaciers

Tags

NGSS.MS-ESS2-4

This is the main salt in the ocean.

• potassium chloride

• magnesium sulfate

• sodium chloride

• epsom salt

If the first low tide is at 5:00 am when is the next low tide?

• 11:00 am

• 5:00 pm

• 5:00 am

• 11:00 pm

What two factors change the density of ocean water?

• decrease temperature and decrease salt

• increase in wind and increase in gravity

• moon's gravity and global winds

• decrease in temperature and increase in salinity