1. Standard pattern in writing experimental procedures
Example: Preparing soluble salt such as CuSO4

2. Step (1) & (2) add heat What do you want to do?
and
What do you want to do?
add
What do you want to do?
What do you want to ____?
Where do we add the excess copper(II) oxide to?
What do you want to ____?
heat

3. Step (3) & (4)

4. Step (3) & (4) Step (3) & (4) (in order) to Filter
the excess copper (II) oxide
What do you want to do?
What do you want to filter?
obtain
the copper (II) sulphate solution
What do you want to do?
What do you want to obtain?

5. What do you want it to form?
Step (5)
Step (5)
(in order) to
until it
Heat
the copper(II) sulphate solution
What do you want to do?
What do you want to heat?
concentrate
the solution
What do you want to do?
What do you want to concentrate?
forms
a saturated solution
What do you want to do?
What do you want it to form?

6. What do you want to leave?
Step (6)
Step (6)
Leave
the saturated copper(II) suphate solution
at room temperature overnight
What do you want to do?
What do you want to leave?
Where/ When/How long do we leave the saturated copper(II) sulphate solution?

7. What do you want to filter?
Step (7)
Step (7)
(in order) to
Filter
the copper(II) sulphate solution
What do you want to do?
What do you want to filter?
obtain
the crystal
What do you want to do?
What do you want to obtain?

8. Step (8) Step (8) Wash the crystals with a little cold distilled water
What do you want to do?
What do you want to wash?
Where/ When/How long do we wash the crystals

9. Step (9) Step (9) Dry the crystals using filter paper
What do you want to do?
What do you want to dry?
What do you want to do?
What do you want to use for the drying procedure?

10. Standard pattern in writing experimental procedures
Classify the remaining steps in P.2
Underline the following parts by using the following colours. You may refer to example below.
Green – What do we have to do?
Red – What do we have to (green colour action)?
Blue (if necessary) – Where/ When/How do we do it?