Quizz 4

Biodegradable materials are not recommended for all applications: for which of the following is it NOT advisable to use biodegradable products?

• Cleaning products ( e.g. car shampoo )

• Coating and painting used in marine environment

  ( e.g. ship paint )

• River bank protection ( e.g. retaining walls )

• In farming when it helps to slowly release soil improvers

The term 'Reuse' refers to: 

• Cleaning up a mess.

• Make something into something new.

• Use less of something, creating smaller amounts of waste.

• Use something over and over again.

The term 'recycle' means:

• Make something into something new.

• Use something over and over again.

• Use less of something, creating smaller amounts of waste.

• Make something that can clean your room.

Which of the following is NOT a recyclable material?

• Paper

• Plastic

• Food

• Metal

Which of the following is bad for the environment?

• Recycling

• Littering

• Reducing

• Reusing

How much energy could 1 recycled tin can save?

• Enough to power a cell phone for 18 hours.

• Enough to power a TV for 3 hours.

• Enough to power a lamp for 6 hours.

• Enough to power a TV for 6 hours.

Which among the following is the most energy-efficient?

• Incandescent bulb

• Fluorescent tube light

• Compact fluorescent lamp

• All are equally efficient.

Solar cells are devices that convert solar energy directly into electricity and are manufactured from the second-most abundant element in the earth’s crust.

What is it ?

• Bauxite

• Silicon

• Calcium

• Magnesium

In rural areas, this gas can be generated and used for cooking and lighting .

• Biogas

• Oxygen

• Ammonia

• None of these

Large amounts of solar energy are stored in the oceans and seas. The process of harnessing this energy is called

• OTEC (ocean thermal energy conversion)

• OTC (ocean thermal conversion)

• OSTEC (ocean and sea thermal energy conversion)

• OTEC(Ocean technology of energy conversion)