Restricted © Siemens AG 2013 All rights reserved.siemens.co.uk/education Topic 14: Underwater energy Siemens Education.

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Restricted © Siemens AG 2013 All rights reserved.siemens.co.uk/education Topic 14: Underwater energy Siemens Education

Restricted © Siemens AG 2013 All rights reserved. Underwater energy Overall learning objectives: We are learning to:  Assimilate and interpret key information about an emerging technology  Understand the potential of tidal energy as part of an overall solution  Use key features to evaluate the contribution tidal energy might make

Restricted © Siemens AG 2013 All rights reserved. Underwater energy

Restricted © Siemens AG 2013 All rights reserved. Underwater energy Energy from the sun and wind are likely to be part of the solution to the energy crisis… …but are unlikely to meet all of our future energy needs.

Restricted © Siemens AG 2013 All rights reserved. Underwater energy Extracting energy from the tide By placing rotors underwater, the movement of the water by the ebb and flow of the tides makes the blades turn.

Restricted © Siemens AG 2013 All rights reserved. Underwater energy Location, location, location

Restricted © Siemens AG 2013 All rights reserved. Underwater energy Understanding tides The blades turn more quickly when the water level is altering at a greater rate.  When will most energy be available on this date?  How well will this coincide with the times of greatest energy need?  Can you work out when the high tides for Tuesday 26 th February would have been?

Restricted © Siemens AG 2013 All rights reserved. Underwater energy Tidal energy – a significant source? “…the tides provide an infinite supply of clean energy…?” “…ocean power is a promising contributor to a clean and efficient energy mix for the future…?”