Electric Charge and Sticking Balloon Magic Trick
20 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Particles with electric charge interact with other particles with electric ______

charge

Two kinds of electric charge exist: positive and ______

negative

Objects that have equal numbers of positively charged particles and negatively charged particles are called ______

neutral

Electric charge is a property of matter that causes electrical ______

<p>phenomena</p> Signup and view all the answers

Most objects you regularly encounter are ______ because they have no overall charge

<p>neutral</p> Signup and view all the answers

When your friend pulls a wool sweater over his head, negatively charged particles from the sweater transfer to each hair on his head, making each strand of hair negatively charged.

<p>True</p> Signup and view all the answers

The electric force between strands of hair that have the same charge is repulsive.

<p>True</p> Signup and view all the answers

When two objects have opposite charges, the electric forces between them are repulsive.

<p>False</p> Signup and view all the answers

Rubbing a balloon on your hair will give the balloon a positive charge.

<p>False</p> Signup and view all the answers

When a negatively charged balloon is held close to the wall, the area near the balloon becomes positively charged due to the repulsion of the negatively charged particles in the wall.

<p>True</p> Signup and view all the answers

The strength of the electric field tells you how strong the force would be if you put a particle with 2 C of charge in it.

<p>False</p> Signup and view all the answers

Electric fields that surround charged objects are similar to magnetic fields that surround objects that have mass.

<p>False</p> Signup and view all the answers

A test object, when discussing electric fields, is an imaginary object with exactly 1 C of charge.

<p>True</p> Signup and view all the answers

Particles with 0.5 C of charge would experience twice as much force in an electric field.

<p>False</p> Signup and view all the answers

When two objects have opposite charges, the electric forces between them are attractive.

<p>True</p> Signup and view all the answers

Electric fields predict the force on an object, specifically a positively charged test object.

<p>True</p> Signup and view all the answers

When you rub a balloon on your hair, the negatively charged particles that moved to the balloon stay near the surface of the balloon and do not move around in the rubber that makes up the balloon.

<p>True</p> Signup and view all the answers

Electric charges can move through all materials, regardless of their properties.

<p>False</p> Signup and view all the answers

Electric current can travel through all materials at the same rate.

<p>False</p> Signup and view all the answers

Most metals, such as copper, iron, and gold, are insulators.

<p>False</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser