Dirty water mainly contains:
Germs
Vitamins
Iron
Oxygen
Which one of the following in tiny drops join together to form clouds?
Air
Water
Ice
gas
The water that comes from the ground is referred to as:
Ground water
Surface water
Rock water
Hard water
Which of these are the man made sources of water?
Rain
Ponds
Stream
Canals
How is the river water contaminated?
Throwing the dirt from home and factory
Mixing with ground water
Because of rain
All of these
Which form of water is ice?
Solid
Gas
liquid
watervapour
How can water be purified?
boiling
cooling
baking
dehydrating
Why the river water is contaminated?
What do we call the weather when we feel hot, we switch on cooler and we like to drink cold water?
Sunny
Cloudy
Rainy
Windy
What do we call the weather when we have to carry umbrellas or rain coat and when we make paper boats?