WorksheetsScience 5 - Activity revision
Total questions: 23
Worksheet time: 12mins
_________ is a slowly moving body of ice on land.
ice caps
glacier
sleet
snow
Earth’s water is not evenly __________ or spread out.
moving
saline
currents
distributed
To help solve the problem, people built ________, places to collect and store water.
basin
lakes
ponds
reservoirs
__________, or a swirling motion, moves ocean water around the globe.
precipitation
condensation
evaporation
circulation
Ocean water is also moved by ________ or rising and falling patterns caused by the pull of gravity.
tides
poles
winds
temperature
Worldwide, about 1 billion people always have access to clean water.
true
false
Adding the problem is water pollution and habitat destruction. More than half of the world’s wetlands have disappeared.
true
False
Water temperatures change with latitude because of the angle of Earth's axis and its relation to the sun.
true
false
In places where rivers empty into the ocean, freshwater mixes with saltwater. Those areas have lower salinity.
false
true
Surface water around the equator evaporates more quickly than at the poles. Deep ocean water receives less sunlight and is colder than surface water, even at the equator.
true
false
Freshwater makes up about 97.5 percent of Earth's water. Many plants and animals, including humans, cannot use freshwater.
true
false
Wetlands are important ecosystems that can remove pollutants from the water.
true
false
_________ is the amount of salt dissolved in water. It is measured in parts per thousand.
salt mixture
salt compounds
salt reactions
salinity
The ocean is Earth's main water storage and the ________, or most important, source for water in the water cycle.
auxiliary
primary
essentially
naturally
No matter where Earth's water is located, it is in a system called the ___________.
atmosphere
hydrosphere
biosphere
lithosphere
In places like Nebraska, people rely on water pumped from ___________, underground water supplies.
aqua water
aquifers
water current
spring
Water that is ________has large amounts of dissolved salts. .
fresh
cold
deep
saline
Which of the information below is not a threat to shoreline?
Building along a coast can cause pollution.
Tides and currents leave garbage and waste on the sand.
Community has cleaning up the coastal road program
Birds, fish, marine mammals, and sea plants suffer when oil coats the water.
What section of the hydrosphere is shown in the picture?
saltwater
fresh water
What section of the hydrosphere is shown in the picture ?
saltwater
freshwater
What section of the hydrosphere is shown in the picture ?
saltwater
freshwater
What section of the hydrosphere is shown in the picture?
saltwtaer
freshwater
What section of the hydrosphere is shown in the picture?
saltwater
freshwater
