WASTE MATERIALS

What are the correct example of waste materials?

• Metal

• Glass

• Paper

• Oxygen

What is the meaning of biodegradable waste?

• Biodegradable waste is materials that can be decomposed by microorganisms such as bacteria and fungi.

• Biodegradable waste is materials that cannot be decomposed by microorganisms.

Is this biodegradable waste?

• Yes

• No

Is this biodegradable waste?

• Yes

• No

What are the proper ways to manage waste?

• Special container to dispose oil waste.

• Sort out the waste materials according to their types.

• Throw it on the roads

• Flush it down the toilet

What kind of waste can we throw here?

• Books

• Glass

• Paper

• Metal

• Book

• Plastic

• Food waste

• Cans

Effects of biodegradable and non-biodegradable materials if they are not used wisely

Choose two

• Aquatic lives die due to lack of oxygen.

• Extra oxygen

• Cleaner environment

• Human lives become threatened by the disposal of toxic waste.

Is this biodegradable waste?

• Yes

• No

What is waste materials?

• materials that we no longer need and want to keep.

• materials that we need to keep safe

• materials that we burn