Page 12 - Ranger SPM 2022 Biology

Biology SPM Chapter 1 Introduction to Biology and Laboratory Rules
4. Steps to handle laboratory accidents is shown in Figure 1.4.
Steps to handle general chemical spills

Mark the Scoop the
Penerbitan Pelangi Sdn Bhd. All Rights Reserved.
chemical Prevent the chemical
Inform the spill area as spill from spill using Dispose
teacher spreading by safely
restricted using sand appropriate
area tool

Steps to handle mercury spills
Form 4

Mark the Sprinkle
Inform the spill area as sulphur to Call the fire
and rescue
teacher restricted cover the department
area mercury spills

Figure 1.4 Steps to handle laboratory accidents

5. Some of the scientific attitudes (d) Have interest and curiosity
and noble values to practise during towards the surrounding.
scientific investigation: (e) Follow the procedure if an
(a) Adhere to laboratory attire. accident happens.
(b) Be determined and patient when (f) Identify the safety symbols on
carrying out an experiment. chemicals and equipment before
(c) Dispose wastes according to using.
procedure.

1.3 Communicating in Biology

Tables

1. While carrying out an experiment, the data
Rate of
obtained from the experiment is recorded in a Temperature evaporation
table. (°C) (s )
–1
2. The data is arranged systematically in a table to
make the data analysis process easier. 15 16.2
3. The information in the table includes manipulated 20 18.8
variable, responding variable and their units. 25 24.3
4. Example of a table: 30 30.8

5

F4 Chapter 1.indd 5 3/29/22 3:10 PM