Elizabeth Polston
Student Instructions
Tap to watch the investigation. Tap to begin. Tap a picture, to write and to tell about what you learned. Tap to add to your journal.
CEE
2
Erin Kaitler
72
Suzanne Snead, Digital Learning Specialist
922
Annette Foster
17
Trang Le
91
Sign Up
to watch the investigation.
Tap 
to begin.
Tap 
a picture, 
to write and 
to tell about what you learned.
Tap 
to add to your journal.
