Think and Throw

_____ colour dustbin is used for collecting biodegradable waste materials.

What is included in non-biodegradable waste?

What is included in biodegradable waste?

Write five things which you throw as waste at home. Write the type they belong to. How would you dispose them off? Write them in the table given.

Waste is classified as biodegradable and non-biodegradable based on _____.

Use the clues to solve the crossword puzzle.

ACROSS

a. Fruits peels are _______ waste.

b. Solid waste is called________.

c.  ______ is a manure made from biodegradable waste.

DOWN

d. Biodegradable substances ______ and mix with the soil.

e. To _________ means to make something useful from waste.

Write short note on the following-

Dry and Wet garbage

_____ should be thrown in the blue dustbin.

Dry garbage should be thrown in _____. (green dustbin/blue dustbin)

Write an essay on the sources of waste.

Choose from the bracket.

The wastes that do not decay or rot are known as _____ ( biodegradable/ non-biodegradable) wastes.

Biodegradable waste with the help of bacteria are _____ in less time.

Lakeview Apartments is organising a 'Clean My Society' campaign on its premises. The residents have swept the building compound and collected all the garbage in one place. Can you help them sort the garbage? Sort the given items into 'Wet' or 'Dry' garbage. 

Which of the following should be thrown in green bins?

What is naturally decomposable waste called? 

Which coloured bins are used for collecting kitchen waste? 

Plastics are _____ wastes. 
 

Name the waste released by various factories. (Commercial waste/ Industrial waste)

Name the waste that decays over time through the action of organisms present in the soil.

State any five sources of wastes. Describe any two sources of non-biodegradable waste.