Modelling particles and their processes 15/5/12

Hi Class!

We are doing animations today, so have fun, remember rules about uniform, phones and misuse of computers-so don’t even think about playing games..

1) 4 min Go to

http://www.bbc.co.uk/schools/ks3bitesize/science/chemical_material_behaviour/particle_model/activity.shtml

and do the activity

2i)) 15 min Open PowerPoint and draw a particle using the circle tool, fill the particle in so it has a colour

 ii)Copy and paste the particle so you can form the structure of what a solid should look like, write the title: This is a solid

iii) Do the same for liquids and gases

3)i) 5min, On a new slide make a title: Particles vibrating in a solid

ii) copy your solid from the other slide,

iii) now copy the whole slide, and change the position of the particles so they look like they are vibrating when you go through the slides

iv) copy the slide again and move to solid molecules back to the original position, use a total of 5 slides to complete the animation

4) 30 min Now repeat 3 with some of the following

·          Model a solid melting into a liquid

·         Model particles moving past each other in a liquid

·         Model a liquid boiling.  The particles escape into the air, and no longer touch each other.

·         Model a gas subliming into a solid (Hard)

·         Model a solid dissolving in water (Hard: use two colours of particles)