Revision worksheet on Laboratory

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Year 7 Laboratory Test – Revision 2012
Name: ________________________________
1. Complete the table:
Branch of Science
Biology
Geology
What?
is the study of
is the study of
is the study of
is the study of
is the study of
Forces and energy
Space and solar system
Matter and their chemical reactions
2. Write down 5 safety Lab Rules and explain why.
Rules
Why?
1.
2.
3.
4
5.
3. a) How would people draw scientific equipment?
b) Draw diagrams of the following equipment.
Test tube
Conical flask
Funnel
Evaporating dish
Tripod
Measuring cylinder
4. Identify all the equipment
B
A
E
A
A
D
A
C
C
C
C
A
F
A
G
A
K
A
I
A
J
A
K
A
S
A
L
A
M
A
H
A
U
T
T
N
A
Q
A
V
P
A
O
A
W
X
W
Y
W
R
W
Bunsen burner
clay triangle test tube
test tube holder
test tube holder
Test tube rack
heat mat
wire gauze
bottle brush
Measuring cylinder glass rod
funnel
beaker
conical flask
Dropper
spatula
boss head
clamp
retort stand crucible
Watch glass Evaporating dish
safety goggle
tongs
stoppers
thermometer
5. a) Label the diagram of a Bunsen burner.
Rubber tube, barrel, collar , base, airhole
b) Draw the blue flame of the Bunsen burner.
Label: unburnt zone, hottest point, blue flame,
c) Does the airhole close or open in the above diagram?
c) Draw another diagram of the part of the barrel and the flame when the flame is not
in use. Explain why?
d) Write down the five main steps how to light up a Bunsen burner properly;
(1) __________________________________________________________ ( rubber tube)
(2) __________________________________________________________ (airhole)
(3) __________________________________________________________ (match or gas)
(4) __________________________________________________________ (match or gas)
(5) __________________________________________________________ (airhole)
c) Complete the sequence of writing up a scientific report
No
Subheading
What it means
1
Name, Title
Who did the Experiment, when, partners etc
2
Aims
3
Apparatus and
Materials
4
5
A logical prediction of what may happen
Method
6
7
8
Observations and Recording data
Discussion
A summary of the findings in this experiment
7. State the type of measurement and the appropriate unit.
What to measure?
Measurement:
Volume, Mass, Length or Speed
Mass (=how heavy)
Unit:
Mg, Km/h, mL,
mm, mg, Kg
The amount of milk required to make
a small cake
How long is the distance between
Irymple and Redcliff?
What is the speed of the Jet?
The thickness of the timber
A very small amount of medicine in a
capsule
The weight of a big bag of potatoes
8. Name the 2 types of scales used in the laboratory. Give 2 advantages of the one on the
right.
9. Reading the water level in measuring cylinders
a) Read 1, 2 and 3
b) Refer to Fig. 1.1, which is the correct position of your eye when you are reading the
water level – Circle the eye.
c) What is the name given the curved surface of the water level?
Multiple Choice Questions – Choose the BEST answer
1
Which one of the following is a
7
Which is NOT true about a Bunsen
person that studies rocks?
burner?
A Biologist
A The air hole must be closed when
B Chemist
lighting a Bunsen burner.
C Geologist
B When not in use, the yellow
D Astronomer
safety flame of a Bunsen burner
should be visible.
2
Which piece of laboratory equipment
C The blue flame of Bunsen burner
would be best for measuring out 6.5
is cooler than the yellow flame.
mL of liquid?
D A Bunsen burner must always be
A A measuring cylinder
placed on a heatproof mat.
B A beaker
C A test tube
8
The thermometer scale below shows
D A conical flask
a reading of:
3
4
5
6
Which rule below would you NOT
follow when using a Bunsen burner?
A Long hair must be tied back.
B Wear protective clothing and
safety glasses.
C Place the Bunsen burner directly
onto the unprotected bench.
D Keep the gas tap closed when
attaching the rubber hose from
the Bunsen burner.
When heating a test tube, it should be:
A pointed away from yourself and
other students
B held with two fingers
C filled completely with the liquid
being heated
D heated over a tripod and gauze
mat.
A measuring cylinder is a piece of
equipment for:
A stirring mixtures
B heating substances
C measuring volumes of liquids
D mixing and heating substances.
The curve surface of the water inside
a measuring cylinder is known as
A curvature
B meniscus
C open water
D surface tension
A 57°C
B 53°C
C 63°C
D 67°C
9
Which of the following is NOT a rule
in the laboratory?
A Follow the teacher’s instructions.
B Look directly into a test tube.
C Wear protective clothing.
D Wait until equipment is cool
before putting it away.
10
Which piece of equipment can be
used to mix substances whilst
swirling it around?
A Beaker
B Test tube
C Stirring rod
D Conical flask
11
Into which section of a laboratory
report should observations, tables
and graphs go?
A Discussion
B Results
C Conclusion
D Aims
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