Type of a river water is...........
salt water
fresh water
percentage of fresh water that is suitable for drinking is ...... compared to the percentage of water on earth .
very large
very small
large
Rivers contain……..... water
salt
fresh
........... fresh water means using water in a correct way
wasting
Conserving
Poor quality of fresh water leads to..........
The death of thousands of living organisms every year
The extinction of some species live in fresh water
all the above
All the following are from sources of fresh water on the Earth, except............
Rains
sea
Rivers
There is less amount of groundwater on Earth than the water in rivers and lakes
True
False
Seas contain……..... water
polluted water can harm plants and animals
false
true
........ are home to thousands of plants and animals.
Estuaries
Groundwater
wetlands
A lake forms when water collects in a low-lying area
Water keeps the body........... of living organisms moderate.
temperature
color
size
The flow of a river ends when it meets a ..........
sea or a ocean
ocean or a larger river
sea or a larger river
Water makes up nearly .......... of the human body.
two-thirds
one-third
fourth
Most of the water is ..........
From kinds of ................ Swamps (marshes) and ponds
rivers
Type of a wetland water is ............
Fresh water
Fresh water or salt water
The ocean's floor has mountains, plains and plateaus.
A ......... is a large body of water surrounded by land
river
lake
All the following are from sources of salt water on the Earth, except............
Streams
Ocean
There is a .........amount of water on Earth
Unlimited
limited
A.........often starts in the mountains as a stream
we can conserve the limited amount of fresh water through many ways such as .......
Turning off water tap (faucet) during brushing your teeth
Taking a slow shower
Turning on the water while washing your hair
All of the ......... are connected to each other
seas
oceans
All living organisms (humans, animals and plants) need water to survive.