Unit Test: Review - Fresh and Saltwater Systems

What is the primary cause of ocean waves?

• Earthquakes

• Wind

• Glaciers

• Sun

What is the main cause of tides?

• Sun

• Wind

• Moon

• Earthquakes

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What percentage of water on Earth is saltwater?

• 3%

• 50%

• 70%

• 97%

Tags

NGSS.MS-ESS2-4

What is the motion of water molecules created by waves?

• Linear motion

• Circular motion

• Upward motion

• Sideways motion

Which technique for converting saltwater to freshwater requires a filter with small holes in it?

• Evaporation

• Distillation

• Distillation and evaporation

• Reverse osmosis

What is the difference between a wave and a tide?

• Waves only happen in fresh water and tides only happen in salt water.

• Waves involve the movement of large bodies of water and tides happen on the surface.

• Waves are streams of water that flow deep inside tides.

• Waves happen on the surface and tides involve the movement of large bodies of water.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A river’s sediment load is the amount of …

• organisms it is able to sustain

• water-borne materials it can carry

• pollution it is able to filter out

• erosion it can make as it flows

Which of the following is NOT true of glaciers?

• They have a great affect on the land around them.

• They don't affect the land around them.

• They contain vast amounts of fresh water.

• They are melting and may eventually disappear.

Why are climates close to water more moderate than in other places?

• Water gives up its heat quickly.

• Water doesn't freeze.

• Water takes the heat from the land.

• Water keeps its heat for longer.

Tags

NGSS.MS-ESS2-6

Based on what you learned in this unit, how do you think the climate of an area close to a large body of water would likely be described?

• Very hot and dry.

• Extremely cold

• Unpredictable.

• Mild with few extremes.

Tags

NGSS.MS-ESS2-6