sci pl

Question 1

experiment

Answer 1

a carefully designed procedure used to validate/authenticate a hypothesis

Question 2

independent/manipulated variable

Answer 2

the independent variable is the manipulated/changed variable.The independent variable is also a variable of which values are changed or selected by the scientist and is a factor or condition that is manipulated deliberately

Question 3

dependent/responding variable

Answer 3

the dependent variable is the measured variable . It is also a factor or condition which changes corresponding to the change in the IV. it is also called the responding variable and it is the variable of which the value is measured for every change in the independent variable

Question 4

controlled/constant variable

Answer 4

the controlled variable is one which may, in addition to the independent variable, affect the outcome of the experiment and therefore has to be kept constant. Although it is not studied, it affects the dependent variable as well.

Question 5

crucible

Question 6

evaporating dish

Question 7

filter funnel

Question 8

flat-bottom flask

Question 9

round-bottom flask

Question 10

boiling tube

Question 11

beaker

Question 12

test tube

Question 13

conical flask

Question 14

burette

Question 15

pipette

Question 16

measuring cylinder

Question 17

bell jar

Question 18

gas jar

Question 19

tripod stand

Question 20

retort stand/retort clamp

Question 21

delivery tube

Question 22

trough

Question 23

flammable

Question 24

corrosive

Question 25

radio active

Question 26

oxidising

Question 27

health hazard

Question 28

acutely toxic

Question 29

environmental hazard

Question 30

explosive

Question 31

gas under pressure

Question 32

moderate hazard

Question 33

luminous flame

Question 34

non-luminous flame

Question 35

strike back flame