Revision chapter 3, paragraph 1+2

Wind force is classified by means of

• Beaufort scale

• Mercalli scale

• Richter scale

• Saffir-Simpson scale

What is NOT a fossil energy source?

• coal

• gas

• oil

• plutonium

Which Dutch province is used to extract a lot of natural gas?

• Friesland

• Groningen

• Limburg

• Zeeland

What are fossil fuels NOT made of?

• animals

• plants

• stones

• trees

What is NOT a sustainable energy source?

• hydroelectricity

• gas

• solar

• wind

The main disadvantage of fossil fuels is that they emit extra carbon dioxide (CO2) into the atmosphere. This is :

• climate change

• enhanced greenhouse effect

• natural greenhouse effect

• sea level rising

What's NOT a result of climate change?

• increase of fossil fuels

• melting of ice and glaciers

• rise in temperature of the sea

• sea level rises

What's another name for a warmer period(in millions of years)?

• glacial

• heat wave

• interglacial

• warmer period

How do you call the process by which CO2 is stored by plants?

• deforestation

• photosynthesis

• respiration

• respiration

The changeover from fossil fuel to sustainable energy sources is called

• energy renewal

• energy saving

• energy supply

• energy transition