Unit 1
Science and Engineering Practices
Lesson #2: CER and the Mystery Envelope
Embedded Files
Learning Target
I can use observations to make inferences and support a claim with evidence and reasoning.
Success Criteria
NGSS Standard
SEP: Engaging in Argument from Evidence
“Engaging in argument from evidence in 9–12 builds on K–8 experiences and progresses to using appropriate and sufficient evidence and scientific reasoning to defend and critique claims and explanations about the natural and designed world(s).”
Reminders
Contract due
Materials due
Hand in paper towel or tissues etc any day this week.
Part 1:
Observation Warm-Up
(5 min)
Part 2:
Inference
(5 min)
Part 3
C-E-R Paragraph
(5 min)
Identify the components of a C-E-R argument in the paragraph below.
The child in the picture ate chocolate cake for dessert.The evidence in support of this inference is the chocolate that is found on the child's face. Chocolate cake is a popular dessert food and young children do tend to get chocolate on their face when eating cake. Therefore, the most likely reason for the child getting chocolate on her face was eating chocolate cake.
Use the CER outline. Identify the Claim , Evidence, Reasoning, and Conclusion sentences.
Part 4
Mystery Envelope
(8 min)
Activity #1
1. Make 3 to 5 observations about your mystery envelope.
2. Make an inference about what is in your mystery envelope.
3. On a seperate piece of paper (with your Full Name, Period and Date) use the CER sandwhich to write a paragraph explaining why your inference is correct.
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