Y9 Intro to the lab revision
1) Complete the table below. Naming the item then drawing the scientific drawing of it.
Name and use of Equipment
Name:________________________
Used to accurately measuring out
volumes of liquid
Name:________________________
Used to measure the temperature of
the liquid in a test tube
Name:________________________
Glass Tube used for most reactions
that can be heated. Can be used for
mixing substances.
Name:________________________
Used to hold hot crucibles to avoid
burning hands.
Scientific Drawing
2) David is about to light a Bunsen burner to heat the liquid in a test tube. Below are some steps for lighting
the Bunsen burner safely.
EXPLAIN the reasons behind the following steps.
Step
Reason WHY you do it this way.
Close the air
hole before you
try to light the
Bunsen
Light your match
before you turn
on the gas
Move the test
tube in and out
of the Bunsen
flame
Point the test
tube at the wall
as you heat it
3) (a) A Student picks up a hot tripod and burns her fingers. Write down 2 things you would do in this
situation and explain why one of them is important.
1.
2.
(b) Write down the name of two pieces of safety equipment that you should know where to find in ANY
laboratory you learn in.
-
4) Describe two unsafe practices in this picture.
Explain why they are unsafe within the laboratory.
1-
2-
5) In Science you would have made and learned how to test for three common gases.
(a)
ame one of the common gases that is heavier than air.
N
(b)
ame the gas that will burn with a squeaky pop.
N
(c)
plain how you would test to see if a gas is Oxygen.
Ex
(d)
aw a labelled diagram to show the equipment set up to test for carbon dioxide.
Dr
6) Brett and Simone, two Year 9 students, measured the distance a rubber band was stretched
by different weights. The chart shows their results.
Weights(g) Stretch
10
0 cm
20
1 cm
60
4 cm
70
5 cm
130
18 cm
140
24 cm
Plot the data on to the graph paper provided. Join the points up with a smooth curve .
Plot all points with an X. Put Weights on the X axis and Stretch on the Y axis
Title: _____________________________________________
0
50
100
Weight on the rubber band (g)
150