Charged Up

What effect will one positive charge have on another positive charge?

• They repel each other from a long distance.

• They attract each other from a long distance.

• They repel each other only when they touch.

• They attract each other only when they touch.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

An electron has a negative charge. What is true about the charge of a particle that is attracted to an electron?

• It is neutral

• It is positive

• It is negative

• It is repulsive

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

If you rub a balloon on your hair, it will stick to a wall. Which of these objects develops a negative charge?

• wall

• your hair

• your hands

• balloon

Tags

NGSS.MS-PS2-3

Some students are creating static electricity in strips of tape. One student put two strips of tape on the desk and quickly peeled them off. The strips repelled each other. What does this show?

• The strips have the same charge.

• The strips have opposite charges.

• The strips do not have electric charges.

• The strips no longer have adhesive on them.

Tags

NGSS.MS-PS2-3

Julio knows that he can make static electricity by rubbing objects with cloth. Which is the best description of static electricity?

• build-up of electric charge on any object

• objects with opposite charges attracting each other

• objects with the same charges repelling each other

• electric discharge such as lightning or an electric shock

Tags

NGSS.MS-PS2-3

Judy did an experiment to see what type of metal conducts electricity best. What should she do to be sure that her results are correct?

• test different types of metal

• do the experiment several times

• make a graph to show her results

• check to see whether other students did the same experiment