Learning Objectives: To understand how to write an effective plan for a scientific investigation.
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Transcript of Learning Objectives: To understand how to write an effective plan for a scientific investigation.
Learning Objectives:• To understand how to write an effective plan for a scientific investigation
Writing a Plan
In the next slide move the instructions in the order you think they should go.
Click on complete and compare your order with the one given as a textbook order.
Are there any differences between your order and that of the book?
Are these differences important? Why?
Could these differences mean that the experiment would not work? Why?
Ord
er o
f In
stru
ctio
ns
Complete
Add 3 drops of indicator
Measure 25 cm3 of NaOH into a conical flask using a pipette
Fill a burette with HCl using a funnel
Swirl the flask to ensure mixing
Add the HCl to the flaskin small amounts
Add the HCl very slowly near to the end point
Stop when one drop makes thewhole solution change colour
Textbook Order
Fill a burette with HCl using a funnel
Add 3 drops of indicator
Swirl the flask to ensure mixing
Add the HCl very slowly near to the end point
Add the HCl to the flaskin small amounts
Measure 25 cm3 of NaOH into a conical flask using a pipette
Stop when one drop makes thewhole solution change colour
My Order