Worksheetslaboratory apparatus and rules
Total questions: 35
Worksheet time: 18mins
The reading on the stopwatch shown in figure below is __________?
1 hour and 57 minutes
57 seconds
57 minutes
57 hours
An __________ and a __________ are used to measure the diameter and mass of marble respectively
External caliper, beam balance
External caliper, spring balance
Internal caliper, beam balance
Internal caliper, spring balance
A plumber needs to measure the internal diameter of a water tap as accuracy as possible. Which instrument should be used?
Measuring tape
Micrometer
Metre rule
Vernier calipers
When lighting up a Bunsen burner, a student should:
Hold the lighted match near the air hole
Light up a match before turning on the gas
Turn off the gas before lighting up the match
Turn on the gas before lighting up the match
Queue up before entering the science laboratory.
True
False
Inform your teacher if anything breaks or spills.
True
False
Students can eat or drink in the science laboratory.
True
False
Long hair must be tied back.
True
False
Do not wash your hands after experiment.
True
False
Never touch equipment until you have permission.
True
False
Students mixed a spoonful of vinegar with a small amount of baking soda in a bowl. They wrote a description of what they observed. Which of these should the students avoid while doing this activity?
Using a metal teaspoon
Using a plastic bowl
Stirring the vinegar
Tasting the mixture
Used to... view very small objects at a magnification of 40 to 100 times
Microscope
Glasses
Watch glass
Pipette
Is NOT one of the rules of the laboratory
Be on time
Pay attention to the teacher and respect
Bring materials prepared
Maintain cameras off
Used to transport liquids (usually small drops)
Beaker
Pipette
Erlenmeyer flask
Test tube
What's the name of this material?
Beaker
Petri dish
Test tube
Thermometer
An instrument for determining temperature
Test tube
Thermometer
Bunsen burner
Asbestos fabric
What's its name?
Graduated cylinder
Petri dish
Funnel
Dropper
What happens if something is broken?
Let your teacher know immediately
Scream
Clean
Reprend your classmates
Which of the following hazard symbols means flammable?
A
B
C
D
What does this hazard symbol tell you about the substance being used?
It is extremely hot
It will give off radiation
It is very toxic
It is corrosive
What substance might have this hazard symbol?
Oxygen gas
Sodium chloride (salt)
Lead chloride
Ethanoic acid (vinegar)
This symbol is used to show a moderate hazard. Which substance below would it NOT apply to?
Concentrated hydrochloric acid
Dilute hydrochloric acid
Sodium carbonate
Carbon dioxide gas
Which substance might need this hazard symbol for the way that it is stored in a lab?
Hydrogen gas
Sodium chloride
Sulfuric acid
Sulfur
What properties would a substance with these hazard symbols have?
A flammable corrosive gas
A flammable explosive gas
An toxic explosive gas
A toxic liquid that is oxidising
Is it safe to drink from your water bottle in a lab?
Yes, always
Yes if you wash your hands first
Yes if practical work is not being carried out
Never
You accidentally spill some dilute acid during an experiment. Choose the the best option below?
You mop it up yourself
You ignore it as it it is only dilute acid
You will automatically get a detention
You tell your teacher
If you see something dangerous taking place during a lab, you should immediately tell the teacher.
True
False
Which of the following should NOT be worn during a lab investigation?
Flip flops
Dangling jewelry
Loose, long hair
All of the above
What safety symbol is this?
biohazard
corrosive
radiation
toxic
What safety symbol is this?
Explosion
Flammable
No Open Flame
Oxidizing Agent
I may get the science supplies I need for an experiment.
whenever I want
when I think it is safe
when the supplies are out and ready to use
when the teacher gives me permission
