Question

Suppose that when you wake up in the morning, you are very hungry. You go to the refrigerator and remove an egg. On the way to the stove, you drop the egg on the floor and the egg breaks. You get a second egg from the refrigerator, break the egg shell, and drop the egg into the frying pan. You notice that some eggshell pieces have fallen into your egg, so you pick out the eggshell pieces by hand. You stir the egg to make a scrambled egg. You then turn on the stove and cook the egg. When cooked, you eat the egg. Which of the italicized items are physical changes and which are chemical changes?
Tell whether the following are chemical or physical changes.

1- you drop the egg on the floor and the egg breaks
2- pick out the eggshell pieces by hand
3- stir the egg
4-cook the egg
5-eat the egg

Answer 1

1: Physical change
2: Physical change
3: Physical change
4: Chemical change
5: Chemical change

Answer 2

4- when you cook the egg because when you coook the egg it is no longer raw and you cant re do it so there for it is a chemical chabge