What renewable energy sources do you

know? To mention at least 2

1

Which of the following materials can not be

recycled;

1. plastic

2. paper

3. aluminium

2

The Answer is ….

1. plastic

What is the compost?

1. is a natural material produced by the decomposition of organic materials2. maintenance mode fruit

3. it is the recycled paper

3

The Answer is ….

1. is a natural material produced by the decomposition of organic materials

How many cubic meters of water are

contaminated by a battery

1. 110

2. 3753. 400

4

The Answer is ….

3. 400

How many kg tetrapak (cardboard packaging)

does one family produce per year ?

1. 7.7

2. 12

3. 19.5

5

The Answer is ….

1. 7.7

How much do plastic bags, which are produced each year in Greece, cost ?

1. 280 million

2. 300 million

3. 380 million

6

The Answer is ….

2. 300 million

How many years does a plastic pint need to recycle?

1. 1202. 1403. 200

7

The Answer is ….

3. 200

Which of the following means of

public transport consumes less energy

?

1. the train(0.5 % )

2. the tram(0.2 % ) 3. the ship(8 %)

8

The Answer is ….

2. the tram(0.2 % )

What electrical appliance consumes

more power ?

1. Water heater (2.6 kWh)

2. washing machine (1.4 kWh) 3. air con (1kWh)

9

The Answer is ….

1. Water heater (2.6 kWh)

How many trees are needed to build a tone of paper ?

1. 5

2. 13

3. 17

10

The Answer is ….

3. 17

The energy consumed for the production of an aluminium soft

drink tin can is equal to the energy needed to operate a Tv

set for

1. 1 hour2. 3 hours3. 5 hours

11

The Answer is ….

2. 3 hours

What is the daily water consumption in liters per inhabitant in

Europe ?

1. 400

2. 200

3. 40

12

The Answer is ….

2. 200