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Success Criteria - Chap 1.pdfThe Scientific Method: First a Preview...
The Scientific Method: First a Preview...
- University of Barcelona
Think: Try to describe what is happening at each phase of the scientific method
The Scientific Method: Next, the Explanation...
The Scientific Method: Next, the Explanation...
- Teacher's Pet
Think: How is the scientific method "ordinary people doing ordinary things"?
Test Yourself: Are you able to describe how a piece of scientific knowledge (e.g. Earth's position in solar system) is built from collecting evidence + analysing + rigorous reasoning?
Branches of Science
Branches of Science
Think: Give multiple examples of how science is manifested in different aspects of your life.
Variables
Variables
Tip:
Independent variable = the "Changed" variable
Dependent Variable = the "Measured" variable
Writing Hypothesis
Writing Hypothesis
Tip:
IV comes before DV
"statement" refers to an explanation of the hypothesis
Qualitative VS Quantitative Data
Qualitative VS Quantitative Data
Think: What other examples (of each type of data) can you think of?
SI Units
SI Units
Test Yourself:
Without referring to the diagram, what is the SI unit for each quantity?
Lab Apparatus
Lab Apparatus
Test Yourself: Draw the diagram for each apparatus and describe their uses.
Chemical Hazards
Chemical Hazards
Test Yourself: Name each symbol and describe what they mean
Lab Safety
Lab Safety
Test Yourself: Identify as many negative examples as possible!
Bunsen Burner: Using it Safely
Bunsen Burner: Using it Safely
- Stile Education
Test Yourself:
1. What safety precautions should you take note of?
2. How can we prevent a 'strike-back' from occurring?
Summary of Bunsen Burner
Summary of Bunsen Burner
Tip: Learn to identify various parts of the Bunsen burner + the differences between a luminous and non-luminous flame
Accuracy VS Precision
Accuracy VS Precision
Test Yourself:
Which letter matches the following description?
high precision, high accuracy
high precision, low accuracy
low precision, high accuracy
low precision, low accuracy
Zero Error
Zero Error
Test Yourself:
1. Does Figure (ii) show a negative or positive zero error?
2. Calculate the actual mass of the fish
(Hint: What is the smallest division on the weighing scale? Should you add or subtract the zero error?)
Parallax Error
Parallax Error
Test Yourself:
1. What is the actual length of the pencil?
2. What would be the two incorrect readings when the ruler is viewed from a wrong angle?
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