All right, explorer, it's time to journey through the universe. My name's Dan, you can get

clued up every Wednesday with the Fun Kids Science midweekly. This week, Etta asks what atoms are

made of. Saul wonders whether all the planets spin the same way.

We've got Ed, who is intrigued about why we can hear ourselves when wearing ear defenders.

Olivia needs the answer to what would happen if every living organism moves to Jupiter.

And Blue wants to know why Shark have so many teeth.

Hi, Dan. I'm Etta.

I want to ask you, what are atoms made of?

Thank you.

Alright, Etta, what are atoms made of?

Well, atoms themselves are tiny.

They are the building blocks of the elements.

Everything that you know, that you can see, everything around all matter is made of atoms. Inside that, they're made of even smaller things called subatomic particles.

In the middle of an atom, you've got something called the nucleus. That has like 99.9% of the

stuff in an atom. In that nucleus, you have the subatomic particles of protons, which are big and heavy and determine what element the atom is. Also in there, you have a neutron. They help keep the atom balanced with electrical charges. And then fizzing around the outside, like the planets in the solar system, spin around the sun, you have the electrons. They orbit the nucleus. Now, these have a negative electrical charge. Electrons, the movement of electrons, make electricity. That's how we get that. That's how we get power. They also

help atoms bond with other atoms to make chemical bonds, so you get compounds, so you get much

bigger things. And in those particles, you have even smaller things called quarks, subatomic

particles, and they are held together by particles called gluons. Amazingly mind-blowing,

isn't it? So much in something so tiny. We know loads about it, yet we know almost nothing,

I'm sure. Just think of the discoveries that are on the way. Etta, thank you for helping us

discover that. Here's one from Seoul, who wants to know, do all the planets spin the same way?

Well, here on Earth, our planet spins anticlockwise.

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