Bunsen burner skills Flashcards
mWhat colour is the flame when the the air hole is closed
The flame colour is yellow
When the air hole is open what colour flame is seen when its open
It’s seen as a blue flame
What is the name for the flame when the air hole is open
It is called a heating flame
What’s the hottest flame? The yellow flame (safety flame) or a blue flame (heating flame)
The hottest flame is a blue flame (heating flame) which makes the yellow flame (safety flame) the cooler flame
What to you put over your Bunsen burner to be able to to balance the beaker?
You put a tripod and gauze mat
How do you light a Bunsen burner
You light a Bunsen burner by turning you air hole to closed than you connect your Bunsen burner the gas the third thing you do is strike your match than turn on the gas to light the Bunsen burner.
What is the thing you use to boil water
beaker
What is an independent variable
What I change
What is the dependent variable
what is measured
What is the name of the yellow flame
Safety flame
What is the graph called with lines
line graph
What is the most commonly used graph in science
the answered is a line graph
What are the 5 important parts that a line graph contains
1: a title 2: the independent variable(what i change) 3: the dependent variable (what is measured) 4:the scales for each variable (starts with 0 and goes up in intervals) 5:the legend.
What is qualitative data
Described in words
What is quantitative data
described in numbers
What’s a controlled variable
A controlled variable is something that doesn’t change throughout your experiment
What is the dichotomous key
Something where you organise thing into categories until you get down the very last object
What are the catergories that are used
Usually say for animals live on land and live in water
How do you focus a microscope
Look through the lens than lift the stage to focus the microscope after you almost got it fully focused than you use the fine focus nob to properbly the nob
Remember to draw a picture of what is seen so try to focus it properly
remember that
What do you do to calculate the magnification
By multiplying the eyepiece magnification by the objective lens magnification
How do you Carry a microscope
With 2 hands one on the arm and the other on the base
What is an inference
something you already know from life
