science 5 Week 7

The 5Rs of waste management is the modern way of handling garbage and waste materials. _______________ simply means lessen the use of unnecessary materials. It means buying only what you need.

Meanwhile _____________ means to use again if not by you then by others. Clothes, cooking wares, bags and shoes are some of the examples.

The processing of waste materials to make another product is called ______________.

_____________ is the fixing or restoring broken items to be used again.

__________means taking energy or materials from waste that cannot be used anymore.

Which of the following shows the proper way to recycle?

• Scrap papers from the classroom might be turned into paper bags

• Buy items in refillable containers

• Use both sides of paper in printing

• Use cloth bags or baskets when you buy groceries

The following materials can be reused, EXCEPT.

• woods

• paper

• aluminum cans

• tooth brush

TenTen is collecting used empty plastic bottles for his Science project. He plans to make a star out of these bottles. Tenten is trying to ______ materials.

• repair

• reduce

• recycle

• reuse

Why improper disposal of waste materials destroy the environment? Because________

• Waste materials clogged the waterways and canals

• Some waste materials can be made into useful products

• Recovered materials can be used as source of energy

• Decaying materials is converted as fertilizer.

Why is waste management important?

• It promotes a clean and healthful environment

• Transform garbage into something useful

• Making the Earth free from any garbage or waste materials

• All of the above