Static Electricity 4

A neutral metal sphere is touched by a negatively charged metal rod. As a result, the sphere will become charged by ____.

conduction

A metal sphere is electrically neutral. It is touched by a positively charged metal rod. As a result, the metal sphere becomes charged positively. Which of the following occur during the process?

electrons are transferred from the sphere to the rod; the metal sphere loses electrons; the overall charge of the system is conserved

A positively charged Van de Graaff generator is touched by a daring student. A spark of lightning is seen as _______.

electrons flow from the student towards the Van de Graaff generator

A physics student, standing on the ground, touches an uncharged plastic baseball bat to a negatively charged electroscope. This will cause ____

absolutely nothing (or very little) to happen since the plastic does not conduct

A neutral metal sphere is touched by a negatively charged metal rod. During the process, electrons are transferred from the _____ to the _____ and the sphere acquires a _____ charge.

charged rod, neutral sphere, negative

A positively charged metal sphere is touched by a person standing on the ground. The metal sphere subsequently becomes neutral. The metal sphere becomes neutral during this process because ______.

electrons pass from the person (ground) to the sphere

A negatively charged metal sphere is touched by a person standing on the ground. The metal sphere subsequently becomes neutral. The metal sphere becomes neutral during this process because ______.

electrons pass from the sphere to the person (ground)

The best explanation for how a positively charged object can become grounded is that the object ______.

gains electrons from another object

A charged metal sphere is touched by a person standing on the ground. The metal sphere subsequently becomes neutral. This process is known as _____.

grounding

A neutral metal sphere is touched by a positively charged metal rod. During the process, protons are transferred from the _____ to the _____ and the sphere acquires a _____ charge.

nonsense! none of these described would occur