Creola has landed on planet Happy Meal. So explore your little astronaut's imagination and see where their creativity takes them. From colouring to creating, the sky's the limit. So reach for the stars. Some fun, some food. It's all inside this happy meal. Until 23rd of March from 11am includes one pre-selected book or toy whilst Crayola range comprises toys only, whilst dogs last.

Hello, Explorer. My name's Dan, and it's time to travel across the universe to search for the answers to your questions.

Let's get ready for a brand new science quest. If you have a question that you want answered, anything rattling around your brain, just niggling at the edges, sticking their hand up and saying, pick me, I want to know, I want to be solved.

Well, we'll get the answer for you right here. Make sure you send in your question to the free Fun Kids app. You can do it at FunKidslive.com too. This week we are looking at

fuels, waves and deep holes. So let's get to it first up. A fantastic voice note sent in by James.

What's the difference between radio tower signals and satellite signals?

Thank you James. So radio signals are waves that travel through the air.

Movement of charged particles which carry energy. In that energy is information.

Now they're the lowest. They're the longest wave as well.

So they carry the least amount of information. Your radio, your device, whatever it is with an antenna,

it picks it up if it's close to the tower and it can interpret change that electrical wave energy

into sound which comes out of your speaker.

Well, satellites, they're not too different.

They use radio waves, but how they are used is slightly different because those waves are sent up to space first.

Satellites, which orbit, they zoom around the Earth, they pick pick up that signal beamed from somewhere down

here and then they send it back down to somewhere else on earth it does this because the satellite

is traveling all around so it can cover a much larger energy it can send signals to remote places

like deserts and jungles where there are no towers,

but people there still need the information. So it's really useful for GPS, which helps you use a map.

Maybe the grown-ups use a sat-nav in the car. It's really helpful for monitoring weather as well.

So satellites use radio signals, but in a much better way because they're in space so they

can push them out again to a much wider area. James, thank you very much for your voice note.

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