CHEFS AT WORK!

Middle M 2004

 

Experimenting with Food 

REVERSIBLE or IRREVERSIBLE?

We have been completing cooking experiments to find out whether cooking and heat causes irreversible or reversible changes in food. This is what we have found so far...

Bread - Toast 

Solid - Solid 

toaster kids prediciting

Heat caused change in appearance 

and texture. 

tasting change

(Taste Testing - the best bit)

recording

(Deciding on a verdict)

VERDICT - IRREVERSIBLE       
Making Jelly 

1) "Lets get the ingredients and method right". 

Seeing a chemical change

2) From solid crystals to liquid liquid

Adding water

3) Measuring water (Math)

Scooping jelly

4) Dividing our fair share
 

The finished jelly

5) The end product...Liquid or solid?

Solid - Liquid

Hot water (heat) created a change in appearance.

VERDICT: IRREVERSIBLE

 

               MUFFINS!!!

1) Mixing muffins 
               mixing muffins

 

 

 

 

 

 

 

2) Dividing the mixture into 12 even parts (Fractions)

dividing muffins           

 

 

 

 

 

 

3) Cooking muffins - Heat causes the matter to change substance (liquid to a solid)

               cooking muffins

 

4) The final product - "Blueberry, Banana, Chocolate Chip or Chocolate with white chocolate chips?"

                finished muffins

 

REVERSIBLE or IRREVERSIBLE: After our evaluations and taste testing, Middle M decided that Muffins were an IRREVERSIBLE change.

WHAT DID THEY TASTE LIKE??? (MM answered)

"Like chocolate"                "Great"            "So yummy"             "Beautiful"         "They're so good!"