Safety
Measurement
Planning a Practical
Bunsen burners
100
True or false: If I break something, I should quickly clean it up
False
100
What tool do we use to measure length?
Ruler/ Metre stick
100
The variable(s) that stays the same
Controlled variables
100
Should the air hole be open or closed when lighting a Bunsen burner?
Closed
200
What should be done to long hair in the lab
Tie it back
200
What piece of equipment measures the volume of small liquids?
Measuring cylinder
200
The variable that is changed
Independent variable
200
Where do we hold the Bunsen burners when we are putting them away?
Base/rubber tubing
300
As a general rule, how do we know when to wear safety glasses?
When the teacher is wearing them.
300
What does a balance measure?
Mass
300
The variable that we measure
Dependent variable
300
What is the twisity piece of the Bunsen burner called?
Collar.
400
Corrosive
400
What two units are used to measure liquid volume?
mL and cm3
400
How many actions should be listed in one step of a method?
One action per step
400
Describe a roaring flame.
Blue, loud, hot
500
Toxic.
500
How many seconds is 2 minutes and 35 seconds?
155 seconds
500
Why do we have controlled variables?
To keep the experiment fair
500
Does turning on the gas or striking the match occur second?
Turning on the gas.