WorksheetsWorking in a Laboratory
Total questions: 19
Worksheet time: 12mins
If someone's clothing or hair accidently catches alight the first thing you should do is:
put your hand up and tell your teacher
get to the telephone and ring for the fire brigade
get the person to lie on the floor and cover them with a fire blanket or other clothing
tell them to run to the front office
The correct order to follow when lighting a Bunsen burner is to light a match with the:
air hole is open and the gas is turned on
air hole is closed and the gas is turned off
air hole is closed and the gas is turned on
air hole is open and gas is turned off
If you accidentally pick up something hot and burn your fingers, the first thing you should do is to:
put your hand up and tell the teacher
put your hand in your pocket so the teacher does not know what happened
put your hand under cold running water
warn your partner so it does not happen to them
Which one of the following statements is INCORRECT?
If you open the air hole of a Bunsen burner the colour of the flame will change from blue to yellow
The yellow flame of a Bunsen burner is not as hot as the blue flame
A Bunsen burner is used to heat liquids and solids in science lessons.
The Bunsen burner flame heats things faster then a candle flame.
The flame of a Bunsen burner should be extinguished by:
slowly opening the air hole
blowing it out
closing the air hole
turning off the gas tap
Write the name of this piece of laboratory equipment. Spelling is important
(a)
Write the name of this piece of laboratory equipment. Spelling is important.
(a)
Write the name of this piece of laboratory equipment. Spelling is important.
(a)
Write the name of this piece of laboratory equipment. Spelling is important.
(a)
Write the name of this piece of laboratory equipment. Spelling is important.
(a)
Which piece of equipment is best for mixing small amounts of two chemicals and observing the changes.
funnel
flask
Bunsen burner
tongs
test tube
Which piece of equipment is most useful for holding a piece of metal in a flame to see if it burns
test tube
tongs
Bunsen burner
flask
funnel
Which piece of equipment is most appropriate for pouring a liquid safely from a large beaker into a flask
spatula
flask
funnel
gauze mat
tongs
Which piece of equipment is the most appropriate for picking up a small amount of a solid
tripod
funnel
dropper
test tube
spatula
To heat a liquid quickly you should use a blue flame.
True
False
To heat a liquid slowly you should use a yellow flame
True
False
To heat a liquid in a test tube you should hold it above the burner with metal tongs.
True
False
A beaker should be used to measure the volume of a liquid accurately
True
False
Small amounts of a solid should be heated in a watch glass
True
False
