Static electricity

Which of the following is the best description of static electricity?

• • A) The movement of electrons through a conductor

• • B) The accumulation of electric charges on the surface of an object

• • C) The energy stored in a moving object

• • D) The flow of positive charges from one object to another

What happens when a negatively charged object comes into contact with a positively charged object?

• • A) The objects repel each other

• • B) The objects attract each other

• • C) The objects both lose their charges

• • D) The objects both gain negative charges

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which particles are transferred to create static electricity?

• • A) Protons

• • B) Neutrons

• • C) Electrons

• • D) Ions

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Why does rubbing a balloon on your hair make the balloon stick to a wall?

• A) The balloon becomes magnetized

• B) The balloon gains positive charges and the wall is negatively charged

• C) The balloon gains negative charges, which are attracted to the wall's positive charges

• D) The balloon loses all its charges and is pulled by gravity to the wall

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the primary cause of static electricity?

• A) Movement of protons

• B) Friction between two materials

• C) Heat conduction between objects

• D) Magnetic fields interacting

Which of the following materials is a good conductor of electricity and would not hold static charges?

• A) Plastic

• B) Glass

• C) Metal

• D) Rubber

Why do you sometimes get a shock after walking across a carpet and then touching a metal doorknob?

• A) Static electricity builds up in your body, and when you touch the doorknob, electrons transfer between you and the metal.

• B) The metal doorknob generates electricity that flows into your body.

• C) The friction between your shoes and the carpet creates heat, which causes the shock.

• D) The doorknob and your body repel each other, causing a shock.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What happens when two objects with the same charge are brought close together?

• A) They attract each other

• B) They repel each other

• C) They lose their charges

• D) They neutralize each other

Tags

NGSS.MS-PS2-3