Chemical Formulas: TEKS 8.5D
To the teacher:
•This CPO Science PowerPoint presentation is designed to guide you throughthe process of presenting the lesson to your students. The presentationuses a 5-E teaching model: Engage, Explore, Explain, Elaborate, andEvaluate.
•The PowerPoint Slide notes indicate where you may want to bring in variouslesson elements such as quizzes, readings, investigations, animations, andpractice materials. Additional science background information is providedin the slide notes where appropriate. You can view these notes by selecting“View,” then “Normal.” You will see the notes pane at the bottom of thePowerPoint workspace. Additionally, the slide notes are available as aseparate document, accessible from the lesson home page.
•The slides that follow are intended for classroom use.
Chemical Formulas: TEKS 8.5D
Why is the Statue of Liberty green?
•You probably already knowthat the Statue of Liberty ismade of copper. Why isn’t itthe same color as a penny?
•How has this lockchanged over time?
•How are thesetwo processesalike?
Chemical Formulas: TEKS 8.5D
The periodic table
Chemical Formulas: TEKS 8.5D
Time to investigate!
Molecules and compounds
Chemical Formulas: TEKS 8.5D
What is the chemical formula?
•Determine the chemical formula for each molecule.
Chemical Formulas: TEKS 8.5D
Shape matters, too!
•Glucose and fructose havethe same chemical formula,but the atoms are arrangeddifferently. Which moleculehas more atoms forming itsring?
•While both molecules aresimple sugars, your bodyrequires insulin to digestglucose, but not fructose.
Chemical Formulas: TEKS 8.5D
Time for Practice!
•Complete the lesson practice worksheet:
- Chemical formulas
Chemical Formulas: TEKS 8.5D
Show what you know!
•Try the lesson’s interactive quiz, or complete a quizthat your teacher can print out for you.
•Hint:
–You might want to review your lesson reading piece onemore time before trying the quiz.
