Science - The Nature of Science and Lab safety

Eye protection must be worn.

Harmful or irritant

Flammable

corrosive

toxic

oxidising

explosive

hazardous to the environment

at any sign of injury

tell a teacher

hypothesis

prediction

controlled fixed variables

everything is the same except the thing you want to find out (independant variable)

investigative question

what you want to find out

independant variable

what you choose to change

dependant variable

the variable that answers the question

hypothesis

proposed explanation of why certain events take place

theory

explanation of observations and is based on laws, hypotheses and facts

scientific law

a description of observed occurrences and is based on repeated experiments