Quiz- Static Electricity

William has a toy that is positively charged, containing all protons and no electrons.

• TRUE

• FALSE

James has a toy that is electrically neutral. He believes it contains only neutrons.

• TRUE

• FALSE

During a science experiment, Liam noticed that when a balloon is rubbed against his hair, it becomes charged and can attract small pieces of paper. This phenomenon is known as polarization.

• TRUE

• FALSE

Rohan is conducting an experiment in his physics class where he needs to identify the following particles as being charged or uncharged. If charged, he must indicate whether they are charged positively or negatively. (n = neutron, p = proton, e = electron)

Consider the graphic of a neutral oxygen atom in a science lab where Aria is conducting an experiment. Explain what must happen in order for the oxygen atom to become negatively charged.

Harper is studying the behavior of atoms in her chemistry class. She learns that in order for the oxygen atom to become positively charged, it must lose one of its electrons. Can you explain what must happen for this to occur?

Noah enters the classroom and observes two balloons suspended from the ceiling. He notices that instead of hanging straight down vertically, the balloons seem to be repelling each other. He can conclusively say ...

• Both balloons have a negative charge.

• Both balloons have a positive charge.

• One balloon is charged positively and the other negatively.

• Both balloons are charged with the same type of charge.

On two occasions, the charge interactions between balloons A, B and C are observed as shown in the diagram. In each case, it is known that balloon B is charged negatively. Based on these observations, what can you conclusively confirm about the charge on balloon A and C for each situation?

Balloons X , Y and Z are suspended from strings as shown at the right. Negatively charged balloon X attracts balloon Y and balloon Y attracts balloon Z. Balloon Z ____. List all that apply.

• must be negatively charged

• must be positively charged

• may be neutral

• may be negatively charged

• may be positively charged

Which of the diagrams below best represents the charge distribution on a metal sphere when Samuel places a positively charged plastic tube nearby? Why?

• A

• B

• C

• D