Energy Sources

Choose the word whose main stressed syllable is placed differently from that of the other in each group.

• musician

• enormous

• natural

• improvement

Choose the word whose main stressed syllable is placed differently from that of the other in each group.

• effective

• plentiful

• dangerous

• limited

Choose the word whose main stressed syllable is placed differently from that of the other in each group.

• attraction

• humorous

• acquaintance

• unselfish

Choose the word whose main stressed syllable is placed differently from that of the other in each group.

• energy

• countryside

• changeable

• volunteer

Choose the word whose main stressed syllable is placed differently from that of the other in each group.

• important

• plentiful

• familiar

• convenience

We should put__________ on our roof for the heating and hot water.

• equipment

• cracks

• solar energy

• solar panels

Remember to __________ the lights before going to bed.

• turn

• turn on

• turn off

• stop

Humans are looking for clean, cheap and __________ sources of energy.

• effective

• effect

• effectively

• effectiveness

Low energy light bulbs should be used to __________ electricity.

• spend

• buy

• convert

• save

____ energy is produced by collecting sunlight and converting it into electricity.

• Hydro

• Nuclear

• Solar

• Wind