Download TCT (Through- Course- Task)_Bio_2 Grades 9

TCT (Through- Course- Task)_Bio_2 Grades 9-10
Standards
DCI: LS1.C - The sugar molecules thus formed contain carbon, hydrogen, and oxygen: their hydrocarbon
backbones are used to make amino acids and other carbon-based molecules that can be assembled into
larger molecules (such as proteins or DNA), used for example to form new cells. (HS-LS1-6)
Crosscutting Concepts: Patterns: students observe patterns in systems at different scales and cite patterns as
empirical evidence for causality in supporting their explanations of phenomena
SEP: Analyzing and Interpreting Data : Compare and contrast various types of data sets to examine
consistency of measurements and observations; Evaluate the strength of a conclusion that can be
inferred from any data set
Storyline: Amelia and Jalaya are examining structures of various molecules in a chemistry lab. They come
across 2 unmarked molecules which they called, “Molecule X” and “ Molecule Y.” Amelia is not sure
whether the 2 unmarked molecules are organic or inorganic. Jalaya hands her the data that they have
compiled shown below.
Amelia’s Conclusion
Amelia says that Molecule “X” is inorganic because it does not have carbon while Molecule “Y” is organic because it has carbon
and oxygen based on the data. The organic molecules from the data all have carbon.
Task: Write a Claim- Evidence- Reasoning evaluating Amelia’s claim in correctly identifying Molecules X and Y as
organic or inorganic. Make sure to have a concise and focused claim. In addition, include evidence from both the
organic monomers and polymers as well as inorganic molecule data below. Finally, reason why your evidence
supports your claim using patterns in the data, facts, terms, and other background knowledge.
MOLECULE X
MOLECULE Y
Organic Monomers
AMINO ACID
MONOSACCHARIDE
NUCLEOTIDE
FATTY ACID
Organic POLYMERS
INORGANIC MOLECULES