*Geometry*
Announcements: (Calendar)
- Chapter 6 Test Corrections due this Friday.
- CC.9-12.G.CO.11: Prove theorems about parallelograms.
Big Idea:
- Properties of similarity can be used to solve complex geometric problems.
Class Outline:
- Attendance.
- Review: Sec 7-4; #s 1-21
- Class Time for Homework: Sec 7-5; #s 2-6, 10-12, 18-23, 34
- Sec 7-5; #s 2-6, 10-12, 18-23, 34
**Chemistry**
- Test: Tuesday, February 25th. Chemical Bonds
- EALR4.9-11.PSD: Ions are produced when atoms or molecules lose or gain electrons, thereby gaining a positive or negative electrical charge. Ions of opposite charge are attracted to each other, forming ionic bonds. Chemical formulas for ionic compounds represent the proportion of ion of each element in the ionic crystal.
- EALR4.9-11.PSE: Molecular compounds are composed of two or more elements bonded together in a fixed proportion by sharing electrons between atoms, forming covalent bonds. Such compounds consist of well-defined molecules. Formulas of covalent compounds represent the types and number of atoms of each element in each molecule.
Big Idea:
- Various types of chemical bonds exist based on the electronegativity difference of the bonding atoms.
- The type of bonding between elements, in part, determines properties of the compound.
- Attendance
- Entry Task
- Crystals
- Types of Solids:
- Complete and Review: Chemical Bonds Test Review Sheet
- BrainPop: Chemical Bonds (If time)
- BrainPop: Ions (If time)
- Video: Bonding in Molecules
- Video: Bonding between Atoms
- Study for the test on Tuesday
- The Study Guide is now complete and can be accessed here: Chemical Bonding Unit Study Guide.
***Biology***
- EALR 4.9-11.LS1G: Cells us the DNA that forms their genes to encode enzymes and her proteins that allow a cell to grow and divide to produce more cells, and to respond to the environment.
- EALR 4.9-11.LS1H: Genes are carried on chromosomes. Animal cells contain two copies of each chromosome with genetic information that regulate body structure and functions. Most cells dived by a processes called mitosis, in which the genetic information is copied so that each new cell contains exact copies of the original chromosomes.
Big Idea(s):
- Organisms reproduce by passing genetic information to their offspring.
- Attendance
- Entry Task (No entry task today)
- Mitosis / Meiosis Essay Exam
- The essay should demonstrate understanding of:
- The importance of Mitosis and Meiosis
- The purpose of meiosis/mitosis
- The importance of meiosis and mitosis with regards to transferring genetic material.
- A description of the stages of each, and the key differences between mitosis and meiosis.
- The essay will be hand-written.
- Each student may have 1 notecard (front and back) of hand-written notes, with reasonable size print (not less than what would be considered 10pt font)
- The essay should use appropriate vocabulary, such as chromosomes, chromatids, spindle, centromere, haploid, diploid, etc.
- Grading:
- This essay will count as your TEST over Mitosis and Meiosis.
- You will be given a letter grade, A-F, based on how well you have demonstrated and communicated understanding of meiosis/mitosis. This means not only must you have correct information, but you must communicate it in an organized fashion using appropriate vocabulary.
Homework:
****Life Science****
- Test Corrections Due Today
- Games to Play Online:
- Game: Build a Body: Digestive System
- Game: Guts and Bolts
- EALR 4.6-8.LS1C: Multicellular organisms have specialized cells that perform different functions. These cells join together to form tissues that give organs their structure and enable organs to perform specialized functions within organ systems.
- EALR 4.6-8.LS1C: Describe the components and functions of the digestive, circulatory, and respiratory systems in humans and how these systems interact.
- The respiratory system is composed of cells that form various tissues that aid in the breathing process.
- The circulatory system is composed of various organs and cells that are responsible for transporting blood and nutrients throughout the body.
Class Outline:
- Attendance
- Entry Task
- Finish: Video: Assignment Discovery: The Digestive System
- Literacy/Vocabulary/Comprehension Assignment:
- Read Section 26B.1 and 26B.2
- Create 10-13 sentences as per the following:
- Choose one word from the RED and one word from the BLUE (below).
- Write one sentence containing BOTH the red and the blue word in proper context.
- The sentence should be your own sentence. Do not copy from the text.
- Word List:
- digestion
- assimilation
- mechanical digestion
- chemical digestion
- alimentary canal
- peristalsis
- accessory organs
- molars
- salivary glands
- saliva
- stomach
- glands
- chyme
- enzymes
- small intestine
- large intestine
- villi
- feces
- surface area
- bacteria
Homework:
- Finish literacy Assignment (See class outline above).
***Trigonometry***
Announcements:
- n/a
- CCSS-GSRT.1
- Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute triangles
- CCSS-GSRT.7
- Explain and use the relationship between sine and cosine of complementary angles.
- CCSS-F-TF
- Explain how the unit circle in the coordinate plane enables the extension of trigonometric functions to all real numbers, interpreted as radian measures of angles traversed counterclockwise around the unit circle.
Big Idea:
- Fundamental math skills are the building blocks upon which trigonometric skills are built.
Class Outline:
- Review:
- Math Basics Packet: "Inverse Trigonometric Functions"
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