Category: Chemistry

Students completed reading from the text on how to multiply, divide, add and subtract w/numbers in scientific notation. Then we practiced solving scientific notation processes w/a calculator and without a calculator. Then, they completed a worksheet on "Scientific Notation, +, -, x, and division" - 50 pts.

Students took notes on Scientific Notation (Adding, subtracting, multiplying and dividing) and discussed how to properly use a calculator doing these operations. We also discussed how to perform these without a calculator. Then, they were assigned a worksheet (48 pts) performing these operations for homework.

Students took notes from the Data Analysis PPT on how to write numbers in scientific notation and convert numbers back from scientific notation. Then, they completed a Scientific Notation WS (40 pts). They will have a scientific notation Test on Friday.

Students took notes on derived units and how to calculate Density. The concept of density was discussed as well as how to calculate density in 6 steps. The ability to determine the correct unit in Density, volume, and mass were also calculated. We worked 2 practice problems before being given the Density WS (50 pts) for homework.

Students received the 4th Qtr Exam Review Guide and were allowed to work on their reviews for class. They were also instructed what items to bring w/them on the day of their exam.

Students continued and were allowed to finish "The Mole" Chapter test using their notes and their textbook. They were also given their 3rd Qtr Review Guide to help them prepare for the 2nd Semester Exam.

Students began the Empirical Formulas WS (40 pts) and we worked a two problems on learning how to determine molecular formulas from percentages. The Seniors had the option to take their 2nd Semester Exam today or tomorrow.

Students completed the notes for the "Mole" Chapter Notes for studying empirical and molecular formulas. Then, we completed the Empirical Formulas WS (40 pts). They will have a "Mole" Chapter Test on Wednesday. Upon which they will receive the 2nd Sem. Exam Review Guide.

Students completed the Chemical Reactions Lab in 6th pd, and 4th period completed the Percent Composition WS.

Students learned how to determine the Percent Composition by mass of a compound. Then they completed the WS on % Composition.