Which of the following is an example of physical change?
A)Dew forms on a blade of grass.
B)A Halloween light stick glows after shaking.
C)An egg solidifies during cooking.
D)A hydrogen balloon explodes when contacted with a flame.
E)An iron pipe rusts in the yard.

Question

Quizplus · Accepted Answer

Dew forming on a blade of grass is a physical change because it involves a change in state of matter from gas (water vapor) to liquid (dew) but does not alter the chemical composition of the substance.

Which of the Following Is an Example of Physical Change