Electricty

Question 1

Electric charge

Answer 1

: physical property of matter that causes it to experience a force when near other electrically charged matter. Electric charge can be positive or negative.

Question 2

electric circuit

Answer 2

a path for electrons to follow, consisting of a power supply, one or more loads, and conductors joining the power supply and loads

Question 3

Nucleus

Answer 3

Central part of an atom, made up of protons and neutrons; roundish structure inside a cell that acts as the control centre for the cell. Plural = nuclei.

Question 4

electrons

Answer 4

negatively charged, very light particles in an atom. Electrons move around the nucleus of the atom

Question 5

negative electric charge

Answer 5

: the charge on an atom or object with more electrons than protons

Question 6

Resistance

Answer 6

Is the slowing down and reduction of electrons flowing through a circuit.

Question 7

Current

Answer 7

Is how much and how quickly an electric charge passes by a certain point in a conductor.

Question 8

Insulators

Answer 8

Materials with tightly bound electrons that don’t transmit electric energy.