Next Alexis wants to model the effect of the movement of air on sand.
How should Alexis set up her model?
Use
the same containers as before
.
Push
wet
sand to one end in each container.
Use a straw to blow air on the sand in one container to represent
gentle
wind.
In the other container, use a blow dryer to blow air on the sand to represent
moist
wind.
Observe and record the changes in the sand.
Analyze differences between the two containers.