Question

elements, compounds, and mixtures
checking comprehension
types of matter: elements, compounds, and mixtures
label the following processes as a physical or chemical change:

1. dew condensing on a leaf
2. a metal pipe rusts
3. chopping firewood
4. alcohol ferments

label the following as either an element, compound, homogeneous mixture, or heterogeneous mixture

1. dew condensing on a leaf

chemical change
physical change

Explanation:

Step1: Define physical and chemical change

Physical change: No new substance formed. Chemical change: New substance formed.

Step2: Analyze dew condensing on a leaf

Dew is water vapor (gas) changing to liquid water. No new substance.

Answer:

Physical change