Welcome back to the Fun Kids Science Mid-weekly!

You've been sending in your questions and this week, they're all about the Earth and the solar system! 

Find out my theory on how the Earth was made, what's in the centre of the Earth & how long it takes Neptune to orbit the sun…

We also check in with Marina Ventura and her trusty sidekick Map App who are uncovering how electricity is moved from place to place…

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