Science 9.1 - ?

Question 1

rubbing amber would cause bits of straw to be attracted

Answer 1

Thales of Miletus

Question 2

the study of the nature, behavior, and uses of statics and related phenomenon

Answer 2

electrostatics

Question 3

other materials besides amber would produce the same magnetic force

Answer 3

William Gilbert

Question 4

discovered static electricity and the existence of two types of charge

Answer 4

Benjamin Franklin

Question 5

a property that allows particles to attract and repel other charged particles by the electromagnetic force

Answer 5

electric charge

Question 6

positive (+) charge

Answer 6

proton

Question 7

negative (-) charge

Answer 7

electron

Question 8

the interaction between electrons and other charged particles

Answer 8

electricity

Question 9

describes an atom or other object with an equal number of positive and negative charges

Answer 9

neutral

Question 10

an electric charge that is stationary on the surface of a charged object; the simplest form of electricity

Answer 10

static electricity

Question 11

Scientists refer to a deficiency of electrons as _______

Answer 11

positive

Question 12

Scientists refer to an excess of electrons as _________

Answer 12

negative

Question 13

the SI unit of electric charge

Answer 13

Coulomb

Question 14

the law stating that opposite charges attract each other but like charges repel each other

Answer 14

law of electric charges

Question 15

the law stating that strength of attraction or repulsion between two charged objects is directly related to the strength of the charges and inversely related to the square of the distance between them

Answer 15

law of electric force

Question 16

the region around a charged object in which other objects are attracted or repelled by an electric force

Answer 16

electric field

Question 17

arrows that indicate how a positive charge in the field would move

Answer 17

lines of force

Question 18

an electric field with even strength throughout

Answer 18

uniform field

Question 19

the transfer of an electric charge through direct contact

Answer 19

conduction

Question 20

Charging by conduction is ________

Answer 20

permanent

Question 21

A charge imparted by conduction has the ______ sign (positive or negative) as the original charge

Answer 21

same

Question 22

the law stating that the total electric charge is the same before and after an interaction

Answer 22

law of conservation of charge

Question 23

the process of diverting unwanted electric charge directly into the earth

Answer 23

grounding

Question 24

the process of imparting electric charge from one object to another without direct contact between the objects

Answer 24

induction

Question 25

Charging by induction and charging by conduction do share one similarity, which is ________

Answer 25

they both obey the law of conservation of charge

Question 26

charging by induction is ______

Answer 26

temporary

Question 27

the flow of charge from one place to another

Answer 27

current

Question 28

an atom or group of atoms that has an electric charge

Answer 28

ion

Question 29

simple device that uses the laws of electrostatics to detect small electric charges

Answer 29

electroscope