Activities 1.1, 1.2, & 1.3

Question 1

Atoms

Answer 1

The smallest unit of a chemical element that is made up of a nucleus surrounded by electrons.

Question 2

Atomic Number

Answer 2

Is equal to the number of protons (positively charged particles) in the Nucleus of an atom and electrons (negatively charged particles).

Question 3

Protons

Answer 3

Atomic particles with a positive charge, are located in the nucleus of atoms.

Question 4

Neutrons

Answer 4

Protons with no charge that are found in the Nucleus of atoms.

Question 5

Electrons

Answer 5

Negatively charged particles around the Nucleus in atoms.

Question 6

Valence Electrons

Answer 6

The outermost ring of electrons in an atom. Determines whether an element is an insulator, conductor, or semiconductor.

Question 7

Conductors

Answer 7

Devices or materials that permit current to flow through it easily.

Question 8

Semiconductors

Answer 8

A material that is both a poor conductor and a poor insulator.

Question 9

Insulators

Answer 9

A material used to electrically isolate two conductive surfaces.

Question 10

Elements

Answer 10

The simplest form of matter. A pure substance composed of only one type of atom.

Question 11

Multimeter

Answer 11

An instrument for measuring the properties of an electrical circuit.

Question 12

Static Electricity

Answer 12

An accumulation of electric charge on an insulated body.

Question 13

Current

Answer 13

A flow of electrical charge.

Question 14

Voltage (V)

Answer 14

The force behind the movement of electrons.

Question 15

Anode

Answer 15

The positively charged structure within a voltaic cell.

Question 16

Cathode

Answer 16

The negatively charged structure within a voltaic cell.