Water Pollution
Water Pollution: Overview
This Topic covers sub-topics such as Water Pollution, Pollutants in Water, Properties of Water and, Unclean Water
Important Questions on Water Pollution
Name two insoluble substances that causes water pollution.
Name two soluble substances that cause water pollution.
How will you solve water-related problems?
Discuss about littering of water bodies and their treatment.
| Waste that goes to water bodies | Problems resulting from such waste | Ways to treat water bodies |
Name the process by which water turns into ice.
Write two slogans to avoid water pollution.
What happens if we collect water from the water tank in a bottle and allow it to settle for some time.
What can be found at the bottom of the bottle?
What kind of waste materials flows into the river and ponds?
Find out the sources of water in a village or 'colony' have they become dirty? If yes then what are the reasons for that?
Discuss with friends the possible methods to prevent water pollution.
We contaminate our drinking water by _____.
Consider the following two statements:
Statement 1: Do not drink polluted water.
Statement 2: Do not throw garbage into river.
Which of the following options is correct with respect to the above statements?
Give one/two word(s) for the following:
The process in which chlorine tablets are added to purify drinking water:
Plastic bags cause water pollution.
What is the area of the Earth that is covered with water? What percent is it?
We use these to clean water.
The process of change of a liquid into its solid state on cooling is called
Change the underlined word to make the correct sentence. Rewrite the sentence in the space provided.
Dirty water can make us healthy.
List the substances that are mixed in the waste water drained out of the kitchen and bathroom in your house.
What’s the solution?
Rivers and lakes are filled with water hyacinth.
