Unit 1 eMAPS
Section 1.1 Equipment
1.1.a Equipment A
Equipment A
You will need to get out of your seat at times to find the names, locations and sizes of the
equipment shown.
1.
This piece of glassware may be GRADUATED, but it is poorly CALIBRATED, therefore it is
BAD at measuring volumes of liquids.
Graduated
2.
=
having markings for many
measurements
Graduations =
the markings for the many
measurements
Calibrated
adjusted to ensure the
measurements are correct
The better calibrated a
measuring tool is, the better
it will give you an accurate
result. i.e. If it reads 100 mL
you will actually get 100 mL.
=
a)
What clue is there in the picture that this piece of glassware is poorly calibrated?
b)
What is this piece of glassware called?
c)
What sizes of this glassware are available in our classroom? ________________________
________________________________________
a)
Do you think this piece of glassware is well calibrated or poorly
calibrated? How do you know?
b)
What is this piece of glassware called?
________________________________________________
c)
What sizes of this glassware are available in our classroom?
Unit 1 eMAPS
3.
Section 1.1 Equipment
1.1.a Equipment A
Both ____________________s and ________________________ _________________s are
BAD / GOOD at measuring volumes because they are poorly __________________________.
circle correct response
They are good for…
(make your best guess ; circle all that apply)
(A) holding liquids
(B) heating liquids
(C) making solutions of a precise and accurate volume
(D) mixing liquids
(E) providing a location for a reaction to occur
(F) holding solids
4.
a)
These pieces of equipment are called _______________________.
b)
They are good for…
(make your best guess ;
circle all that apply)
(A) measuring liquids
(B) holding liquids
(C) heating liquids
(D) making solutions of a precise and accurate
volume
(E) mixing liquids
(F) providing a location for a reaction to occur
(G) holding solids
b)
They can be held in a _________________________ rack.
c)
In our classroom these racks are _____________ and are made
give the colour
of ______________________.
give the material
d)
Describe where these racks are located in our classroom.
Unit 1 eMAPS
5.
a)
Section 1.1 Equipment
You can heat a
1.1.a Equipment A
_________________________ over a __________________
__________________ ,
as long as you hold the
_________________________
with a ____________________ ____________________
so you don’t burn your fingers!
b)
Watch out! If you heat the
with the
________________________
________________________ ________________________, you should NOT
return the
________________________ to the
_________________
______________.
Why not? (Think about it!)
____________________________________________________________________________
c)
Instead, use the
to place the
or an
________________________ _______________
_____________________ into a
_____________________________ _______________.
Just be sure to choose a good size! Too small a
Too big an
____________________
______________ and it might
tip over!
___________________________ _______________ and you might
have trouble getting it out again!
Unit 1 eMAPS
6.
Section 1.1 Equipment
1.1.a Equipment A
Another way of heating things is to use a _________ ____________
instead of a
__________________ __________________.
You can place a
_____________________ or an
_______________________
________________
on a
7.
_________ ____________ , but not a
a) What if you want to heat a
.
__________________ or an
____________________
________________
over a
______________________ __________________ ? You can set up a
__________ ______________ , and attach a
Then place a
_________ __________ like this:
_________________ ____________ on top of the
_________ ____________. The final set up will look like this:
b)
CAREFUL! After you have finished heating, the
_______________ ___________ ,
and
_________ __________
__________________ will ALL be very, very HOT!
Unit 1 eMAPS
7.
c)
Section 1.1 Equipment
1.1.a Equipment A
To prevent burning your fingers and hands, wait until the
and
__________ ___________
________________ ___________ have cooled COMPLETELY before
touching them. Use
move the
_________________ ___________ to
____________________. To avoid burning the desk, you can place
hot items like a hot beaker on the base of the __________ _____________.
The base of the _________ ____________ is made of metal so it will not be
damaged by hot objects.
8.
a)
Perhaps you were wondering what this piece of equipment is:
If you guessed thermometer, you are right! The ______________________
is being held in place by a clamp. In our classroom, the type of clamp that works
best for holding a
_______________________ is a
________________ ___________. This clamp is good
for holding any very skinny piece of glassware like a
____________________ ,
a _______________________ or a _______________________ .
b)
Make a guess as to what you think a ____________________ is used for.
c)
Make a guess as to what you think a ____________________ is used for.
Unit 1 eMAPS
8.
d)
Section 1.1 Equipment
1.1.a Equipment A
If you guessed that _________________s and _____________________s
are used for measuring liquids,
you are CORRECT! The type of _____________________ shown here
is called a volumetric ______________________.
VOLUMETRIC = a description of a piece of glassware calibrated to
measure one specific volume very accurately and
precisely.
e)
What sizes of _____________________ ________________s do we have
available in our classroom at present?
f)
A ________________________ is volumetric / graduated. Therefore it is good at
circle the correct response
measuring one specific / many different volumes.
circle the correct response
9.
Sometimes you will want to heat a evaporate a liquid solution and leave the dissolved solid
behind. In other words, you want to evaporate the solvent and leave the solute behind.
Evaporate:
Change state from liquid to gas
Solute:
The substance that gets dissolved (ex. the salt in salt water) in the solvent.
Solvent:
The substance in which the solute dissolves (ex. the water in salt water)
Solution:
A homogeneous mixture in which one substance (solute) is dissolved in the
other (solvent).
Homogeneous mixture:
A mixture in which the mixing is so thorough that there are no
“clumps” of either the solute or the solvent. The solute
molecules are spread out as much as possible within the
solvent.
This picture helps to tell which is the solvent and which is the
solute…BUT it makes it look like there are clumps of solute!
Unit 1 eMAPS
9.
a)
Section 1.1 Equipment
1.1.a Equipment A
This is not actually the case, but since molecules are too small
to draw, we will make do with this picture.
A piece of equipment that can be used if you want to separate a solution by evaporating
the liquid (the solvent) and leaving the solid (the solute) behind is an
_________________________ __________. It is good for two reasons.
The first is that it is made of ceramic (a strong white pottery) which can
be heated to higher temperatures than glass. The second is that it is
very wide and shallow. Since it is wide there is a LARGE SURFACE AREA from which gas
molecules can escape, which makes evaporation faster. Since it is shallow, it is unlikely
that escaping gas molecules will re-condense into a liquid on the sides of the dish.
b)
If an
________________________ ___________ is not available, which
of the following (I - V) do you think would be the best to use if you want to separate a
solution by evaporating the liquid (the ___________________) and leaving the solid (the
___________________) behind?
I
II
III
IV
V
Why did you make the choice you did?
____________________________________________________________________________
____________________________________________________________________________
c)
Don’t forget to use
___________________ _____________
when handling the hot glassware from (b)!
c)
Name the following pieces of glassware from 10 (b):
II ___________________________
Unit 1 eMAPS
Section 1.1 Equipment
1.1.a Equipment A
V __________________________
10. a)
Sometimes we need to heat a solid to a very high temperature. For this we will use a
____________________. It is good for heating to high temperatures
because it is made of _____________________ . It is narrower than
an
_________________________ __________ and also has a lid to
prevent spattering at very high temperatures.
b)
To heat a
and a
________________ you will set up a
_________ _________ . On top of the
you will place a
__________ ___________
__________ __________,
__________ ____________________ . On top of the
__________ _____________________ you will place the
_________________.
The set-up looks like this:
c)
Label all the pieces of equipment in the diagram
to the left.
Unit 1 eMAPS
11. Label each piece of equipment
Section 1.1 Equipment
1.1.a Equipment A
Unit 1 eMAPS
Section 1.1 Equipment
1.1.a Equipment A
12. Define the following words:
a)
b)
c)
d)
e)
f)
g)
h)
i)
13. a)
b)
14. a)
b)
15. a)
b)
Volumetric
Graduated
Graduations
Calibrated
Evaporate
Solute
Solvent
Solution
Homogeneous Mixture
How many pieces of equipment did you learn in this worksheet?
List the names of all the equipment you learned in this worksheet.
Which pieces of equipment on this worksheet that can CONTAIN liquids, an NOT GOOD
for measuring the volume of a liquid?
Why are they bad at measuring volume?
If you had some salt water and wanted to heat it to evaporate the water and leave the salt
behind, what piece of equipment would be BEST to put the salt water in?
Why is this choice better than a beaker or an Erlenmeyer flask?
16. If you wish to heat a solid to a very high temperature, which piece of equipment should you use
to hold the solid?
17.
18.
a)
b)
Name this piece of equipment.
What 3 pieces of equipment would it be appropriate for holding?
a)
b)
Label the diagram to the left.
What could you use this set up to do?