IPC.SCI.8.A

Investigate how changes in properties are indicative of chemical reactions such as hydrochloric acid with a metal, oxidation of metal, combustion, and neutralizing an acid with a base.

Integrated Physics and Chemistry · Texas Essential Knowledge and Skills (TEKS) · TEKS 2022

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Vocabulary
changes in propertieschemical reactionshydrochloric acidmetaloxidationcombustionneutralizingacidbase
Skills
  • investigate (how changes in properties indicate chemical reactions) #dok3
  • observe (properties before and after chemical reactions) #dok2
  • identify (evidence of chemical reactions such as gas production, temperature change, color change, or precipitate formation) #dok2
  • analyze (examples of chemical reactions including acid-metal, oxidation, combustion, and neutralization) #dok3
  • draw conclusions (about whether a chemical reaction has occurred based on observed changes) #dok3
Learning Targets
  • I can recall examples of chemical reactions such as hydrochloric acid with a metal, oxidation of metal, combustion, and neutralizing an acid with a base. #dok1
  • I can define the changes in properties that indicate a chemical reaction. #dok1
  • I can identify evidence that a chemical reaction has occurred. #dok2
  • I can compare the properties of substances before and after a chemical reaction. #dok2
  • I can investigate the outcomes of mixing hydrochloric acid with a metal, observing property changes. #dok3
  • I can analyze changes in properties to determine if a chemical reaction has taken place. #dok3
  • I can draw conclusions about the occurrence of a chemical reaction based on collected evidence and property changes. #dok3
Big Ideas
  • Chemical reactions are identified by specific changes in the properties of substances.
  • Observing and analyzing property changes helps us understand and identify chemical processes in daily life.
Essential Questions
  • How can you tell if a chemical reaction has occurred?
  • What observations indicate that a new substance has been formed during a chemical reaction?
  • What are some real-life examples of property changes caused by chemical reactions?
  • How do different types of chemical reactions (e.g., oxidation, combustion, acid-base reactions) show changes in properties?
  • Why is it important to recognize and investigate evidence of chemical changes?