Use the pictures of four electrically charged items to answer the following question.

Balloon 1 is only positive
Plastic sheet 1is only negative
Balloon 2 is only negative
Plastic sheet 2 is only positive

If a teacher rubs a glass rod with a piece of silk, giving the rod a positive charge, which of the items will the rod attract?
(1 point)
• Balloon 1, only
• Plastic sheet 2, only
• Balloon 1 and Plastic sheet 2
• Balloon 2 and Plastic sheet 1