An electric charge that trends to stay on the surface of an object, rather than flowing away quickly.
100
What is ground?
An object that can supply a very large number of electrons to, or can remove a very large number of electrons from, a charged object, thus neutralizing the object.
100
What is electroscope?
A device for detecting the presence of an electric charge.
100
What is a chemical bond?
A chemical link between two atoms, which holds the atoms together.
100
What is metamorphic?
Rock formed from heat and pressure
200
An electric charge that trends to stay on the surface of an object,rather than flowing away quickly.Static charges build up as different materials rub together, as in a clothes dryer. What's the process called?
Charging by Friction
200
A ground has a very ____ number of charges.
a)large
b)small
Large
200
An object that becomes charged by contact always gets the same type of charge that is on the ______ that _____ it.
a)Charge, Object
b)Contact, Charge
c)Object, Charge
d)Object, Contact
Object, Charge
200
The total number of electrons in a calcium atom
What is 20
200
The part of a roller coaster with the highest potential energy
What is the highest point
300
What does ES stand for?
Electrostatic Series
300
The ground, which has been _____, remain _______.
a)Static
b)Negative
c)Positive
d)Neutral
Neutral
300
_________ takes place when contact is made between a neutral object and an object that is charged.
Charging by Contact
300
What is ion?
A positively or negatively charged atom or group of atoms.
300
What is radioactive waste?
The disadvantage of using nuclear power
400
In an electric clothes dryer, ________ causes charges to build up on the clothes.
a)Friction
b)Static Charge
c)Ground
d)Insulator
Friction
400
You can ground many kinds of charged objects by touching them, this is because ____________.
Your fingers conduct electrons
400
Scientists have established the ____________.
Laws of Electric Charges
400
The number of dots in an electron dot diagram of Chlorine
What is 7
400
This law explains why passengers in a vehicle continue moving at 55 mph even after a car hits an object and stops.
Newton's first law
500
Describe the difference between an insulator and a conductor?
Insulator: a material in which electrons cannot move easily from one atom to another.
Conductor: a material in which electrons can move easily between atoms.
500
Is earth the only fair conductor?
Yes
500
A positively charged object ______ positive objects in its field.
Repels
500
How many electrons does Cl loses?
1
500
When an ionic compound dissolves, the ____ exist as separate particles.