Marine Renewable Energy — Test 1, Section 4
Cambridge IELTS 14 · Test 1 · Listening Section 4
Listen to the recording once and answer all the questions in this section.
Introduction More energy required because of growth in population and ___ What's needed: • renewable energy sources • methods that won't create pollution Wave energy Advantage: waves provide a ___ source of renewable energy Electricity can be generated using offshore or onshore systems Onshore systems may use a reservoir Problems: • waves can move in any ___ • movement of sand, etc. on the ___ of the ocean may be affected Tidal energy Tides are more ___ than waves Planned tidal lagoon in Wales: • will be created in a ___ at Swansea • breakwater (dam) containing 16 turbines • rising tide forces water through turbines, generating electricity • stored water is released through ___ , driving the turbines in the reverse direction Advantages: • not dependent on weather • no ___ is required to make it work • likely to create a number of ___ Problem: • may harm fish and birds, e.g. by affecting ___ and building up silt Ocean thermal energy conversion Uses a difference in temperature between the surface and lower levels Water brought to the surface in a pipe
IELTS_LISTENING_FORM_COMPLETION
Marine renewable energy (ocean energy)
ONE WORD ONLY
Complete the notes below. Write ONE WORD ONLY for each answer.
A lecture on marine renewable energy: wave energy, tidal energy and ocean thermal energy conversion.
Available as a free printable PDF worksheet with an optional answer key.