Laboratory tools and safety measures

1. LABORATORY TOOLS AND
SAFETY MEASURES

3. 1. In which part of the
house do you commonly
see these tools?

4. 2. What are the uses or
function of these tools?

5. 3. Is it possible to use these
tools in the laboratory?
How?

6. 4. What are the other
common tools we see at
home which can substitute
laboratory tools that are not
available?

7. DIRECTION: Choose the ODD MAN in the list of laboratory
instruments. Explain why it is different from the rest of the
instrument.
TEST TUBE BEAKER GRADUATED
CYLINDER
FUNNEL

8. BUNSEN
BURNER
CORK CLAY
TRIANGLE
IRON
STAND

9. GRADUATED
CYLINDER
BEAKER EVAPORATING
DISH
PIPETTE

10. 1. BEAKER
- is a simple
container used for
mixing, stirring and
heating liquid.

11. 2. REAGENT BOTTLE
- can be used for
storage, for mixing
and for display

12. 3. BUNSEN BURNER
- is a small laboratory
burner consisting of a
vertical metal tube
connected to a gas
source
- producing a very
hot flame from a mixture
of gas and air

13. 4. BURET
- is a graduated glass
tube and a stopcock at
the bottom.
- used for accurate
fluid dispensing and
measurement.

14. 5. CRUCIBLE
- used for melting
and calcining materials
at a high temperature.

15. 6. ERLENMEYER FLASK
- used to heat and
store liquids.
- bottom is wider
than the top so it will
heat up quicker.

16. 7. EVAPORATING DISH
- used to heat and
evaporate liquids.

17. 8. FLORENCE FLASK
- used for heating
substances that need to
be heated evenly.
- mostly used in
distillation experiments.

18. 9. FUNNEL
- used to transfer
liquids into another
container so they will
not spill.

19. 10. SPATULA
- used for
transferring small
amounts of solid from
one container to
another.

20. 11. MORTAR AND
PESTLE
- are used to
dissolve solids into
powders for
experiments.

21. 12. PIPETTE
- used for
moving small
amounts of liquid
from one container
to another.

22. 13. IRON STAND/RING
STAND
- used to support
items being heated.
- usually used in
distillation set-up.

23. 14. STIRRING ROD
- used to stir
solutions to dissolve
substances.
- usually made of
glass.

24. 15. STOPPER/CORK
- are used to seal
test tubes and flasks.

25. 16. TEST TUBE BRUSH
- used to easily
clean the inside of a test
tube.

26. 17. TEST TUBE HOLDER
- used to hold test tubes
while being heated.

27. 18. TEST TUBE RACK
- used to hold the test
tubes upright while
observing reactions or
when test tubes are not
used in experiments.

28. 19. THERMOMETER
- used to take
temperature of solids,
liquids and gases.

29. 20. TONGS
- used to hold many
different things such as
flasks, crucibles and
evaporating dishes when
they are hot.

30. 21. CLAY TRIANGLE
- used in the
process of heating
substances.

31. 22. VOLUMETRIC FLASK
- used to make up
solutions of fixed
volume.
- solely used in
preparing chemical
solutions.