NEW
Font size
WorksheetsScience review
Total questions: 18
Worksheet time: 9mins
Water on Earth is either fresh water or salt water. Select all the bodies of water that classify as fresh water.
Sea
Stream
Ocean
River
The Earth has
more freshwater than saltwater
more saltwater than freshwater
the same amounts of saltwater and freshwater
unknown amounts of saltwater and freshwater
This person is fishing in a small, freshwater body of water. This body of water flows into a larger body of water called a river. What is this small body of freshwater called?
stream
glacier
lake
pond
Which statement BEST describes an ocean?
a body of water containing large pieces of ice called glaciers
a body of fresh water containing Earth's largest organisms
Earth's largest source of drinking water, located under ground
a body of salt water that covers about 70% of Earth's surface
This is the liquid water component of the Earth. It includes the oceans, seas, lakes, ponds, rivers and streams. It covers about 70% of the surface of the Earth and is the home for many plants and animals.
atmosphere
hydrosphere
geosphere
lithosphere
Which best explains why the "saltwater" distribution category is not subdivided like the "freshwater" distribution category?
Freshwater sources provide usable water.
There is only one saltwater source.
There are too many sources to list.
Some saltwater sources are unknown.
Less than 3% of the Earth's water supply is fresh water. Only about 0.3% of this supply is surface water, found in rivers, lakes, and swamps. This pie chart shows how this small percentage of surface water is distributed. Based on the data shown, which statement is true?
The amount of fresh surface water in swamps and rivers is equal to that of Lake Baikal.
The North American Great Lakes and Lake Baikal hold 50% of Earth's fresh surface water.
The majority of Earth's rivers and swamps are found in North America and Africa.
The North American Great Lakes is Earth's third-largest fresh surface water source.
Which of the water features shown on the diagram would MOST LIKELY contain salt water?
lake
stream
sea
pond
What is the main difference between a lake and a pond?
A pond contains salt water. A lake contains fresh water.
A pond is always formed from a stream. A lake is always formed from a river.
A lake is larger in size than a pond.
A pond is higher off the ground than a lake.
Which is a shared characteristic of all the locations marked by stars on the map?
volcano hot spots
saltwater sources
glacier locations
Earth's highest points
Which choice lists bodies of water from LARGEST to SMALLEST?
lake, ocean, pond
pond, lake, ocean
ocean, lake, pond
ocean, pond, lake
According to the pie chart, where is MOST of the freshwater on Earth located?
underground
lakes
frozen as ice
river systems
What is a region of water that forms where a river meets the ocean?
lake
glacier
estuary
stream
Which one below is NOT an ocean name?
Southern
Arctic
Nile
Atlantic
Indian
Microscopic algae that grow in the sunlit zone of oceans are called...
photosynthesis
Sponge Bob
phytoplankton
sea cucumbers
Which animal is more likely to live on a rocky seashore?
tiger
cow
sea star
blue whale
Which of the following would NOT be considered a freshwater plant?
Lily Pads
Coral Reef
cattails
mangrove trees
What is something that is not alive, but it affects all living things?
flowers
water
trees
cows
