Monday 31 March 2014

What Freezes Quicker Milk or Water?

These are the kind of questions I constantly have fired at me! This time, I decided we would figure it out ourselves, well with a little help from our friend google too.

What you need:
  • Ice-tray
  • Pen and paper
  • Different liquids to put in the ice-tray
  • Toothpick
  • Freezer
  • Timer

1. Start off by drawing a replica of your ice-tray, we don't actually have a proper ice tray so we used this tray that is for making chocolate skulls! 

2. Fill up each hole in your ice-tray with different types of liquid and make a note of which liquid is in which hole. 

3. Pop in the freezer and set the timer for 30 minutes. Go and play.

4. When the timer goes off, take out the ice-tray and use the toothpick to see how hard each liquid has frozen (if at all). Make a note of what is happening.

5. Set the time again for another 30 minutes and repeat.

6. After 2 hours, set the timer for 1 hour and after 4 hours set it for 6 then leave over night. Each time, make observations of what is going on.

Once we had a list of what had frozen at what rate, google came in handy to find out why.

7. Write a report on the findings.

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