QUARTER 2: LIVING THINGS AND THEIR ENVIRONMENT
Greetings, my dear students (feel my virtual handshake)!
This section, Science Classroom, of my site is dedicated to the cells of your body willing to learn new things and enrich the learning obtained from our classroom and laboratory discussions and activities. This section covers two grade levels under the professional high school-- Grade 8 and Grade 9.
WHAT ARE OUR GOALS AT THE END OF THE QUARTER (GRADE 8)?
(1) learners gain knowledge of how the body breaks down food into forms that can be absorbed through the digestive system and transported to cells.
(2) Learners study the process of cell division by mitosis and meiosis. They understand that meiosis is an early step in sexual reproduction that leads to variation.
(3) Learners learn that species refers to a group of organisms that can mate with one another to produce fertile offspring. They learn that biodiversity is the collective variety of species living in an ecosystem. This serves as an introduction to the topic on hierarchical taxonomic system.
(4) Learners learn how energy is transformed and how materials are cycled in ecosystems.
WHAT ARE OUR GOALS AT THE END OF THE QUARTER (GRADE 9)?
(1) Learners study the coordinated functions of the digestive, respiratory, and circulatory systems. They also learn that nutrients enter the bloodstream and combine with oxygen taken in through the respiratory system. Together, they are transported to the cells where oxygen is used to release the stored energy.
(2) Learners study the structure of genes and chromosomes, and the functions they perform in the transmission of traits from parents to offspring.
(3) Learners learn that most species that have once existed are now extinct. Species become extinct when they fail to adapt to changes in the environment.
(4) Learners learn how plants capture energy from the Sun and store energy in sugar molecules (photosynthesis). This stored energy is used by cells during cellular respiration. These two processes are related to each other.
Please be guided by the provided Quarterly Work Plan (QWP) for the specific details or topics covered for this quarter. If you have any question or clarifications related to our topics, please send me a message by completing the Ask Sir Joald! form on the right side of this page.
I am looking forward for a fruitful term with all of you! Do well in your seatworks, homeworks, drill sheets, quizzes, oral participation, science investigatory projects, and quarterly exam.
Let us start the lessons by having a review of the basics lessons you discussed in the earlier grades through the following videos on the right side of the page: (1) Introduction to Biology ; (2) Cell Structure; and (3) Levels of Biological Organization.