Warm Up – Page Warm Up – Page 107 107

Work on your saltwater chapter map. Your

“ticket” to play today’s review game is to have

this completed.

What new idea did you get from looking at the projects?

Which one is your favorite project? Which material did you think was the

most creative?

Which of these would NOT cause a water shortage: A. a period of less rain than usual B. more people moving to an area C. the closing down of several nearby

mines D. more farmland being planted in an

area

What is a drought? A. long period of less than average

rainfall B. a period when all of the rain

evaporates C. a time when all the lakes and ponds

dry up D. long period of more than average

rainfall

What is using water wisely to avoid wasting it called? A. Saving B. Wisation C. Conservation D. Desalination

Pesticides are most likely to be found in runoff from A. roads. B. farm fields. C. homes. D. factories.

What is the process of obtaining freshwater from saltwater called? A. Deforestation B. Deoceanation C. Desalination D. Freshination

Which of these examples uses water conservation and reduces water pollution? A. factories making printing inks with water

instead of chemical solvents B. farmers using fewer pesticides in farm

fields C. factories reusing cooling water instead of

returning it to a river D. farmers planting fields with coarse grass

that filter out pollutants

When do spring tides occur? A. During first quarter moon and a third

quarter moon. B. During full moon C. During new moon. D. During a full moon and new moon.

Waves on the surface of the ocean are mostly caused by what? A. Wind B. Gravity C. Tides D. Tsunamis

How often do high tides occur in most places? A. Every 3 hours B. Every 6 hours C. Every 9 hours D. Every 12 hours

What are tides caused by? A. Wind B. Waves C. Gravity from the moon D. Gravity from the moon and sun

What is a tide with the least difference between high and low tide called? A. neap tide B. spring tide C. fall tide D. leap tide

What does salinity measure? A. The amount of ions in water B. The amount of dissolved salts in

water C. The amount of fish in water. D. The amount of undissolved salts in

water

What is the most abundant salt in seawater? A. Sodium chloride B. Magnesium chloride C. Calcium chloride D. Potassium chloride

Which of the following areas in the ocean would have the lowest salinity? A. a warm, tropical sea B. the cold Arctic Ocean C. a bay at the mouth of a big river D. deep parts of the Pacific Ocean

In which zone is the most dense ocean water found? A. Intertidal Zone B. Surface Zone C. Transition Zone D. Deep Zone

What are deep currents caused by? A. Fish swimming B. Wind C. Differences in density D. Gravity

What is a deep canyon in the ocean floor called? A. A canyon B. A trench C. A mid-ocean ridge D. A rift valley

In which zone is ocean temperature most affected by weather? A. Surface zone B. Transition zone C. Deep zone D. Hydrothermal zone

What is the continuous chain of underwater mountains called? A. Mid-ocean ridge B. Volcanic island chain C. Seamounts D. Abyssal plain

What is the nearly flat region of the ocean floor covered with sediment called? A. Abyssal Plain B. Continental Shelf C. Mid-ocean Ridge D. Trench

What marks the true edge of a continent? A. Abyssal Plain B. Continental Shelf C. Continental Slope D. Continental Rise

Which zone of the ocean receives enough sunlight to support the growth of algae? A. Surface Zone B. Transition Zone D. Deep Zone C. Trench Zone

What is the gently sloping region that extends from the edge of a continent called? A. Abyssal Plain B. Continental Shelf C. Continental Slope D. Continental Rise

What surface current affects the climate of England? A. East Australian Current B. Gulf Stream C. Greenland Current D. United Kingdom Current

More than 97% of the Earth’s water is found where? A. The oceans B. The atmosphere C. Lakes D. Ice/Glaciers

The energy that drives the water cycle comes from what? A. Wind B. Tides C. Hurricanes D. Sun

More than two thirds of the Earth’s freshwater is found in what? A. Atmosphere B. Groundwater C. Icecaps and glaciers D. Lakes

What is the process where plants release water into the atmosphere? A. Accumulation B. Condensation C. Evaporation D. Transpiration

The process by which molecules at the surface of a liquid gain enough energy to change into a gas is called what? A. Condensation B. Evaporation C. Precipitation D. Transpiration

Water that falls to the Earth as snow is called what? A. Collection. B. Condensation C. Evaporation D. Precipitation

What is happening to the total amount of water on the Earth? A. It is increasing. B. It is decreasing. C. It is staying about the same. D. Freshwater is increasing but saltwater

is decreasing.

What needs to happen for a molecule to leave the ocean and enter the atmosphere? A. It needs to gain energy B. It needs to lose energy C. It needs to keep the same amount of

energy D. It needs to have an energy party

What does it mean if something is permeable?

There are tiny connected spaces which water or air can get through

What is a reservoir? A body of water that stores water for

human use – it may be manmade or natural

What are the causes of a water shortage?

When too little rain falls (drought), too much water is used, or both take place

What property of water describes the way water molecules stick to other water molecules? A. Adhesion B. Capillarity C. Cohesion D. Surface tension

What property of water describes the way water molecules stick to other surfaces? A. Adhesion B. Capillarity C. Cohesion D. Surface tension

What property of water describes the way water molecules tend to reduce their surface area to stay together? A. Adhesion B. Capillarity C. Cohesion D. Surface tension

What property of water describes the way water moves up thin tubes? A. Adhesion B. Capillarity C. Cohesion D. Surface tension