What is this Hazard symbol?
Corrosive
Long Term health diseases
Dangerous to the Environment
Caution
Oxidising
Flammable
Always wait the lab for the to arrive.
Never eat talk( eat, talk ) or drink sneeze( drink, sneeze ) in a science lab.
What is the Independent Variable?
The one that you can change.
The one that you measure.
The one you keep the same.
The dependent Variable is the one that you measure.
What is the Controlled Variable?
The one that you keep the same.
The one that you change.