Show:
Vocabulary
Two Kinds of Charges
Separating Charges
Shock!
Electric Forces
100
What is the definition of Electric Charge?
What is a basic property of the tiny particles that make up matter.
100
What happens when there are two negative charged objects?
What is they repel one another
100
Most of the time, you, a ballon, and a doorknob are what charge?
What is neutral
100
If you were to walk across the carpet and then touch a metal doorknob you may feel what?
What is a shock!
100
What happens to the force around an electric charge as you move farther from the charge?
What is the force gets weaker.
200
What is the definition of Static Electricity?
What is the buildup of electric charges in one place.
200
What happens when there are two positive charge objects?
What is they repel one another
200
What must happen before objects attract and repel each other?
What is Positive and Negative charges must separate
200
What causes the shock when you touch a metal doorknob after walking across a carpet?
What is a charge jumping from you to the doorknob
200
In what direction does the field around a charge act?
What is is all directions around the charge
300
What is the definition of an Electric Field?
What is the area around electric charges, where electric forces can act
300
What happens when there is one positive and one negative charged objects?
What is they attract one another
300
Which type of charge moves from one object to another? Which doesn't?
What is Negative charges move, positive charges don't
300
Why would a balloon fall after it has stuck to the wall for awhile?
What is the excess charges move off the balloon into the air, making the balloon neutral again.
300
What do the arrows in an electric field represent?
What is the direction in which the force acts on a positive charge
400
_____ means to push away
What is repel
400
What happens when there are two neutral objects next to one another
What is nothing. They do not repel or attract one another
400
What TWO ways can you cause charges to separate?
What is rubbing objects together; bringing a charged object near a neutral object
400
Why do you think most objects don't attract and repel one another?
What is they are neutral. Their charges haven't separated.
400
How could you make an object that has a positive charge neutral again?
What is give it negative charges until the positive and negative charges are equal
500
_______ is when positive and negative charges cancel each other when matter has a balance of charges.
What is neutral
500
If you take clothes out of the dryer when they are slightly damp, they don't stick together. Why not?
What is the charges can't be rubbed off unless the clothes are completely dry.
500
If you hold a balloon by a string and and the balloon moves toward your sweater and sticks there, what would you infer?
What is that the balloon and seater have opposite charges
500
If there are 13 positive charges and 12 negative charges, what charge is the object and why?
What is positive because the charges cancel out one another and you are left with one positive charge… So, the object is positive
500
What causes an electric force?
What is the electric field around the charge