Working scientifically Flashcards
What axis does independent variable go on?
X axis
Name 3 types of graph
Line, bar, pie
Name 5 bits of equipment you would find in a lab
Test tubes, goggles,lab coat, chemicals, Bunsen burner, tripod, wire gauze, filter paper, funnel, glass rod
What are the 2 types of error.
Systematic , random
Give an example of a random error
Standing on different part of scales
Give an example of systematic error
Forgetting to tare the scales for the beaker every time
Define accuracy
Being as close to the true value as possible
Define precision
Being exact ie replicating the same answers, even if not accurate
What is the symbol for toxic
Skull and crossbones
When should you do a risk assessment
Before an experiment
What is a hypothesis
A rule that you think might be followed in the experiment
