Daily Drudgery - or - Life is Sweet

January 4, 2016

Science Sunday

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My kids like pops, bangs, explosions, potions and constantly want to access ‘the science box’ – I think it’s the safety goggles that offer a threat of danger!
I was inspired by the following post on this website:

www.coffeecupsandcrayons.com

and I researched the concept of capillary action. The children were unlikely to understand the scientific details behind what we were doing, but at this age it was just the excitement of seeing a reaction and being able to consider why.

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Here we have our two glasses of water with food colouring. The idea is that we expect the water to climb up the kitchen roll and into the central empty glass. Two exciting outcomes: the glass in the middle will fill with water from the two glasses, and hopefully the colours will mix to form a different colour!
After we set it up, we knew there’d be a wait, so I let the boys go crazy with water, food colouring, vinegar and bicarb of soda.

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Father Christmas had got Indi a magic tree, which coincidentally also used capillary action.
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24 hours later….

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Water had walked! The yellow food colouring, which was a gel, really absorbed into the kitchen roll, so the water in the central glass was more of a turquoise….
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And the tree, that had absorbed what we assumed was salt water, another solution that leaves crystals when moisture has evaporated, and ammonia, was now adorned with beautiful crystals.

The crystal tree was from Tiger, and was around £2.50.

Also available on Amazon
Tobar Magic Growing Tree

Have fun, we did!