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Glowing oozing pumpkin experiment

This morning we carved a pumpkin at circle time ready for our experiment.

This morning we carved a pumpkin at circle time ready for our experiment. 1
This morning we carved a pumpkin at circle time ready for our experiment. 2
This morning we carved a pumpkin at circle time ready for our experiment. 3
This morning we carved a pumpkin at circle time ready for our experiment. 4

First Marie cut the top off & then we helped to scoop out all of the seeds.

Picture 1
Picture 2

Gabriel & Harry helped to draw a face & poked out the eye's, nose & mouth (after Marie carefully cut it out!)

Ambrose told us he could make a pumpkin face...

 

                                                     

 

Can you make a pumpkin face too?

 

Now it's time to make the pumpkin glow & ooze!

Some of the children thought we could put a candle inside to light it up but instead we put in a small plastic tray and added some bicarbonate of soda and glow chalk. Then we turned on two ultra violet black lights and turned off the main light.
We could see the chalk inside the pumpkin glowing and counted down from 10 to 1.
Marie poured white vinegar down a funnel and the reaction started to mix and fizz up, it began to glow bright green and oozed out of the pumpkins mouth!
 

Photo's will be uploaded soon :)



We made glow water too...

We made pink glow water and slowly added it to a bottle of tonic water, we noticed it fizzed but it didn't mix up straight away, the pink glow water sat on top & started to slowly mix into a purple colour in the middle.

                               

Tonic water glows blue under UV black lights because it contains quinine.

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