SCIENCE AND SAFETY
1.The six main branches of science are astronomy,
biology, chemistry, ecology, geology and physics.
2. Four safety do’s are:
Always look for potentially unsafe activities in the lab
and report these immediately to your teacher.
Always search for potentially unsafe activities in the area
and report these immediately to your supervisor.
Always wear all necessary protective equipment, for
example glasses, lab coat and mask, if recommended.
Always keep all body parts away from Bunsen burners,
for example, tie your hair up and avoid contact with any
other body parts.
Four safety don’ts are:
 Do not walk around the classroom whilst holding
experiments, as you may accidentally spill them.
 Do not taste or smell any of the experiments as
they may be harmful to your health.
 Do not pour any experiments down the sink, as
they may cause damage.
 Do not place experiments near any other
children, as they may contain harmful
substances.
3a. SILLY
b. GOOD
c. SILLY
d. SILLY
e. GOOD
f. SILLY
g. GOOD
h. GOOD
i. SILLY
4. Four dangers you may encounter in the science
lab are spilt or leaking chemicals, toxic gases,
accidental shattered glass remnant, and fires
caused from the bunsen burners.
5. The main causes of eye injuries are at the
expense of toxic gases and explosions. The only and
blatantly obvious way to resolve this problem is to
simply were eye protection, such as glasses or
goggles.
6a. Joanna is working in the branch of biology.
b. Yiani is working in the branch chemistry.
c. Lauren is working in the branch of geology.
d. Bridgid is working in the branch of astronomy.
e. Gary is working in the branch of ecology.
f. Ying is working in the branch of physics.
7a. Optics s in the branch of astronomy
b. Entomology is in the branch of biology
c. Vulcanology is in the branch of geology
d. Zoology is in the branch of ecology
8. One injury possibility is lacerations caused by
glass.
Another one being severe burns, caused by a
Bunsen burner
Thirdly, in the unlikely event of an explosion,
eyesight damage
Fourthly, lung damage in the unfortunate event of
toxic gases leaking.
Finally, in the event a loud explosion hearing
damage.
9a. A simple experiment in which you would not
use sight, would be one involving the mixture of
unknown substances, leading to the possibility of
an explosion.
b. A simple experiment, in which you would not use
hearing is one involving considerable noise, such as
one involving gun powder or fireworks.
c. An example of an experiment you wouldn’t taste
would be one that involves toxic or unknown
chemicals.
10.
Experiment
Senses that you
would use
Sense that would
give the most
information
Senses that you would NOT use
Testing the ability of strong acids to
clean a sheet of metal
Sight,smell,hear
sight
Taste, touch
Testing how long milk takes to go
off
Smell, sight,taste
smell
Hear, touch
Testing how long it takes for six
tomatoes to ripen
Sight, touch, taste
sight
Hear, smell
Studying lava flowing from a
volcano
Sight, smell, hear
sight
Touch, taste,
Testing a new pesticide
Smell, sight,
sight
Touch, taste, hear
11a. Warning hazardous chemicals
b. Warning radioactive substances
c. Warning poisonous gases
d. Warning hard hats required
e. Warning do not drink the water
f. Warning flammable substances surrounding, no
fire permitted
12a. If you should happen to break something in
the laboratory, notify the teacher immediately and
follow instructions recommended.
b. If you should smell gas locate the leakage
immediately, attempt to stop the flow, if
unsuccessful notify the teacher and as a last resort
if necessary evacuate the room.
c. If you should hear an unlit Bunsen burner hissing
locate where it is coming before resolving the issue
by either turning it off and or notify the teacher
and finaly if necessary, again, evacuate the
classroom.
d. If you must leave a Bunsen burner unattended
ensure it is turned off before leaving it and when
you arrive back with necessary supplies, restart the
entire process again.
13. The reason behind science rules differing to
PDHPE, design and technology and food technology
is simply the fact that the risk and danger levels are
considerably higher then al of the other mentioned
subjects.