Pre/Post Test
1. Suppose you were the size of a molecule in a liquid, ethyl alcohol for
example, and could stand on the molecule in a glass. Someone takes that
glass and puts it in the freezer. After a while the Alcohol freezes. How
does what you see and feel change?2. Draw a picture of a container that has 10 oxygen molecules in a gaseous
state. Label the molecules A through J. Then draw a picture of the gas a
"little while later." The second picture should show where you think the
molecules A through J are at this time.3. Draw a picture of a container that has 10 liquid water molecules.
Label the molecules A through J. Then draw a picture of the water a
"little while later." The second picture should show where you think the
molecules A through J are at this time.
4. Could there be a compressible liquid? Explain your answer using
molecules/atoms in your answer.5. Do you think a liquid is more like a gas or more like a solid? Why?