This lesson contains 43 slides, with interactive quizzes and text slides.
Lesson duration is: 55 min
Items in this lesson
Lesson 1 - What is IGCSE Chemistry?
Slide 1 - Slide
Name appropriate apparatus for the measurement of time, temperature, mass and volume, including (a) stopwatches,(b) thermometers, (c) balances, (d) burettes, (e) volumetric pipettes, (f) measuring cylinders, (g) gas syringes
Suggest advantages and disadvantages of experimental methods and apparatus
Slide 2 - Slide
Slide 3 - Slide
Daily Review
timer
2:00
(a) Identify the number of significant figures in each measurement.
(b) Name the apparatus or
(c) Write the measurement reading.
The clock's ticking!
Slide 4 - Slide
How many significant digits are there in this measurement: 0.0507 dm3?
timer
0:20
Slide 5 - Open question
How many significant digits are there in this measurement: 0.0000005 dm3?
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0:20
Slide 6 - Open question
How many significant digits are there in this measurement: 2400 min ?
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0:20
Slide 7 - Open question
How many significant digits are there in this measurement: 9.776 g ?
timer
0:20
Slide 8 - Open question
How many significant digits are there in this measurement: 20008 cm3?
timer
0:20
Slide 9 - Open question
Name this apparatus.
Slide 10 - Open question
Name these apparatuses.
Slide 11 - Open question
What is the reading on the burette?
Slide 12 - Open question
What is the reading on the burette?
Slide 13 - Open question
What is the reading on the measuring cylinder?
Slide 14 - Open question
What is the reading on the measuring cylinder?
Slide 15 - Open question
What is the reading on the thermometer?
Slide 16 - Open question
What is the reading on the stopwatch in s?
Slide 17 - Open question
Slide 18 - Slide
Volumetric pipette or graduated pipette
10.0 cm3
25.0 cm3
Burette
(variable volumes)
50.0 cm3
Measuring cylinder
Usually used in titrations
Slide 19 - Slide
Volumetric pipette or graduated pipette
10.0 cm3
25.0 cm3
Burette
(variable volumes)
50.0 cm3
Measuring cylinder
Usually used in titrations
Slide 20 - Slide
Uncertainty
All measurements involve uncertainty.
All measurement's last digit is always an estimate.
The digits that you record when you measure something are called significant digits.
Ruler A: 4.2 cm or 4.3 cm?
Ruler B: 4.27 cm or 4.28 cm?
Accuracy up to 1 cm
Accuracy up to 0.1 cm
Slide 21 - Slide
timer
15:00
Slide 22 - Slide
timer
5:00
Slide 23 - Slide
timer
15:00
Slide 24 - Slide
Lesson 1 - What is IGCSE Chemistry?
Slide 25 - Slide
Daily Review
Arrange the correct order of the steps using the scientific method.
Share or give your feedback.
Slide 26 - Slide
www.bookwidgets.com
Slide 27 - Link
Daily Review
Arrange the correct order of the steps using the scientific method.
Share or give your feedback.
Slide 28 - Slide
Slide 29 - Slide
Designing an Investigation
Identify the independent variable and the values you plan to use for it
Identify the dependent variable and the method to be used to measure it
Suggest how you will control variables
Suggest the most appropriate apparatus and techniques
Outline theexperimental procedure in a series of numbered steps
Identify risksand describe any safety precautions
Record and analyse the results or data
Trials or repeat readings and sources of error
Make your conclusion
Share your findings with others
Slide 30 - Slide
Experimental design
Read the essential points of a good experimental design.
Highlight the sentence or line in the sample investigation of the points you can find.
Answer the given questions.
Create a slide presentation containing the explanation for your answers.
Slide 31 - Slide
docs.google.com
Slide 32 - Link
Designing an Investigation
Identify the independent variable and the values you plan to use for it
Identify the dependent variable and the method to be used to measure it
Suggest how you will control variables
Suggest the most appropriate apparatus and techniques
Outline theexperimental procedure in a series of numbered steps
Identify risksand describe any safety precautions
Record and analyse the results or data
Trials or repeat readings and sources of error
Make your conclusion
Share your findings with others
timer
1:00
Slide 33 - Slide
1
Slide 34 - Slide
Slide 35 - Slide
Lesson 1 - What is IGCSE Chemistry?
Slide 36 - Slide
2
Slide 37 - Slide
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Slide 40 - Slide
Summary
Read measurements using apparatuses
Wrote and recorded measurements properly
Reviewed the SI quantities and units
Did unit conversions
How to know the certain and uncertain digits in a measurement
Identified the number of significant digits in the recorded measurements