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