Particle Model

Match the picture to the correct state of matter:

• Liquid

• 
• Gas

• 
• Solid

• 

Organise the statements into true or false:

Groups:

(a) True

,

(b) False

• The particles in a gas are free to move around in all directions

• Solids and liquids are dense - they have a lot of particles in a small volume

• In a solid, the particles are close together

• Gases can be squashed (compressed) easily because they have spaces between the particles

• Liquids can be squashed (compressed)

• Solids, liquids, and gases can all be poured, and flow

IN YOUR OWN WORDS - I WILL KNOW IF YOU COPY FROM GOOGLE

Define 'density'.

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Picture 1 has the ​ (a)   .Picture 2 has the ​ (b)   .

• lowest density
• highest density

Phoebe leaves a can of hairspray on the windowsill on a sunny day.

Draw what is happening inside the container in terms of the particles in the morning compared to midday.

! For bonus points !

Racing car tyres are not inflated to the correct pressure before a race. Why?

Hint: Think about what happens to the tyres during a race?

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