Term 3

Question 0

Bar graph

Answer 0

A mathematical drawing in which different amounts are represented by thin vertical or horizontal rectangles which have the same width but different heights or lengths

Question 1

Ampere

Answer 1

The standard unit of measurement for the strength of an electrical current

Question 2

Cell (electrical)

Answer 2

A device for producing electrical energy from chemical energy

Question 3

Circuit diagram

Answer 3

the plan of an electrical circuit using international symbols

Question 4

closed circuit

Answer 4

a circuit in which the closed switch allows electricity to flow

Question 5

conduct

Answer 5

to allow electricity to go through

Question 6

conductor

Answer 6

a substance that allows electricity to go through it

Question 7

conducts

Answer 7

serves as a channel or medium for heat, electricity or sound

Question 8

constraint

Answer 8

limitation or restriction

Question 9

crank

Answer 9

a device that causes movement between parts of a machine, or that changes backward and forward movement into circular movement

Question 10

crude oil

Answer 10

petroleum as it comes out of the ground, unrefined

Question 11

electrical current

Answer 11

the movement of electricity in a particular direction

Question 13

electrical charge

Answer 13

this is the measure of how much electricity there is

Question 14

evaporate

Answer 14

to cause a liquid to change to a gas, especially y heating

Question 15

experiments

Answer 15

tests done in order to learn something or to discover whether something works

Question 16

hydroelectric

Answer 16

the generation of electricity from the energy of falling water

Question 17

Infrastructure

Answer 17

the basic underlying framework or features of a system, building or organisation

Question 18

insulated

Answer 18

something that has been covered with a material that prevents the flow of electricy

Question 19

insulator

Answer 19

a material or covering which electricity cannot go through

Question 20

international symbols

Answer 20

signs or shapes used all over the world to represent components

Question 21

mains electricity

Answer 21

type of electricity that provides power to homes and businesses

Question 22

negative terminal

Answer 22

relating to a battery or electric terminal: electricity flows from negative to positive terminals

Question 23

open circuit

Answer 23

a circuit in which the open switch stops electricity from flowing

Question 24

positive terminal

Answer 24

relating to a battery or electric terminal: electricity flows from negative to positive terminals

Question 25

Solar energy

Answer 25

electrical energy absorbed from the sun

Question 26

stored energy

Answer 26

energy that has been placed somewhere for use later, such as electricity in a battery

Question 27

switch

Answer 27

a device for turning on or off or directing an electric current or for making or breaking a circuit

Question 28

transform

Answer 28

to change in form, appearance or struture

Question 29

turbine

Answer 29

any of the various machines having a rotor, usually with vanes or blades, driven by the pressure of reactive thrust of a moving fluid

Question 30

voltage

Answer 30

the force of an electric current measured in volts