50 50 What is everything made of A

50: 50 What is everything made of? ♦A: Water ♦B: Things called Atoms ♦C: Cheese ♦D: Dirt

Everything around us is made from Atoms

50: 50 How big are these atoms? ♦A: Very big ♦B: The same size as a football ♦C: Very, very small ♦D: The size of an ant

Atoms are nearly the smallest things on earth Imagine a block of wood I cut the wood into 8 pieces And then 32 pieces And so on…

Eventually, when I could not cut the wood into smaller pieces and I had a really good knife I would get to the smallest bit of wood. An atom is so small it is 0. 00001 metres wide!

50: 50 How do we look at atoms? ♦A: Just with our eyes ♦B: With a magnifying glass ♦C: With a microscope ♦D: They are too small to see

They’re so small, not even the most powerful microscope can seen them!

50: 50 How many main parts does an atom have? ♦A: 1 ♦B: 2 ♦C: 3 ♦D: 4

50: 50 Out of these four which one is a part of an atom? ♦A: Dust ♦B: A small stone ♦C: Proton ♦D: Zuculeron

50: 50 Out of these four which one is a part of an atom? ♦A: Electron ♦B: Neutrino ♦C: Small Bit of Glass ♦D: A drop of water

50: 50 Out of these four which one is a part of an atom? ♦A: New Hat ♦B: Neutron ♦C: New Song ♦D: Photon

50: 50 What is the centre of an atom called? ♦A: Planet ♦B: Sprite ♦C: Nucleus ♦D: Origin

50: 50 Which part whizzes round the nucleus? ♦A: Electron ♦B: Neutron ♦C: Proton ♦D: Photon

- Proton + + Electron Neutron

Charge This is a magnet: It has a positive end And a negative end

This is like an Atom One part is Positive This is the Proton Another part in negative This is the electron The last part has no charge This is the Neutron + -

50: 50 How do we show charge? ♦A: Positive and Negative ♦B: Up and Down ♦C: In and out ♦D: Black and White

50: 50 What charge does a proton have? ♦A: Negative ♦B: Neutral ♦C: Hot ♦D: Positive

50: 50 Is anything smaller than an atom? ♦A: Yes ♦B: No ♦C: We don’t know ♦D: Not on earth

50: 50 A proton is made from even smaller parts. What are they called? ♦A: Quarks ♦B: Neutrinos ♦C: Photons ♦D: Beutons

50: 50 How many of these tiny parts are inside a proton? ♦A: 1 ♦B: 2 ♦C: 3 ♦D: 4

Quarks If I could cut a proton open I would see three parts; these are called QUARKS Quark + Quark

50: 50 How did scientists find out about quarks? ♦A: Deep inelastic scattering ♦B: Rutherford experiment ♦C: Electrolysis ♦D: Brownian motion

Deep inelastic scattering If we fire very fast electrons - at protons + or neutrons we can detect the parts inside. These parts are called quarks. Quark

Review - Proton + + Electron Neutron

Review Quark