Name
Date
Period
G a s Properties
Procedure:
the P h E T
Either type in:
Click
Play w i t h
"Gas Properties.".
Heat
or Google "phet".
Thermo
the left side.
Click
Gas Properties.
Investigate the simulation involving gas properties. Practice the following:
• Adding air to the container
• Changing the size of the container.
• Adding and removing heat with the heat control.
NOTE:
sure to keep the gravity and the type o f the gas
the container
(the same).
2. Sketch what the graphs look like using the given variables. Write a short description o f what the graph
means.
Note: Be sure to label y o u r x and y axes.
V o l ume-Pressure graph
Description:
X
Vol
-Temperature graph
Description:
X
graph
Description:
X
3. Looking at your graphs, write i n your own words the relationship that exists between pressure and
volume.
4.
Looking at your graphs, write i n your own words the relationship that exists between temperature and
volume.
Using the data chart below, make a prediction for each o f the following scenarios. Predict what you think the
graphs w i l l look like. Make sure you label your axes and include a key to the colors you used for your
predictions and corrections. Answer the questions below to help with the data chart.
a. Explain why bicycle tires seem higher i n the summer than i n winter.
b.
Explain why a can o f soda pop explodes i f left i n the hot sun.
c.
A rigid container filled with a gas is placed i n ice (ex. nalgene bottle). What w i l l happen to the pressure
gas? What do you think w i l l happen to the volume?
d.
A n infected tooth forms an abscess* that fills w i t h gas. The abscess puts pressure on the nerve o f the
tooth, causing a toothache. While waiting to see a dentist, the person with the toothache tried to relieve
the pain by treating the infected area with moist heat. W i l l this treatment help? Why or why not?
Scenario
a.
Graph
Explanation o f your
reasoning
Bicycle tire
Label your axes!
b.
Soda pop in sun
i
Label your axes!
X
c.
Container i n ice
Label your axes!
X
d.
Infected tooth
\
Label your axes!