Welcome to the Challenge quiz!

Having completed the Challenge lessons you will have learnt how we get hydrogen and how it can be used to power everything from mobile phones to vehicles, without giving off greenhouse gases. Now is your chance to use your knowledge and take part in the next stage of the London Schools Hydrogen Challenge – the Challenge quiz..

Please note that after starting your Challenge, if you do not answer a question or take any action for 20 minutes,
your score will be reset! Your score will also be lost if you close your browser window.

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