8th Grade Science: Immune System, Excretion, Skeletal System and Bone Health (Exam Prep)

Notes

The exam of science is going to be on April the 27th. The test aims to evaluate their learning through competency-based, ICFES-style questions. A questionnaire with exam-like questions will be included. ## Final Science Test – Eighth Grade ### Topics to Study: 1. Immune System – Structure, function, and its role in defending the body against pathogens. 2. Excretion in Living Organisms – How different organisms eliminate waste products. 3. Types of Animal Excretion – Ammonotelic, ureotelic, and uricotelic excretion, with examples of animals for each type. 4. Skeletal System – Structure, functions, and major bones of the human body. 5. Common Bone Diseases – Causes, symptoms, and prevention of conditions such as osteoporosis, arthritis, and fractures. ### Test Format: - Multiple-Choice Questions – Select the correct answer from four options. - Short Answer Questions – Provide clear and concise explanations. - Case Study Analysis – Read a short scenario and answer questions based on your understanding of the topics. ### Test Guidelines: - ☑ Read each question carefully before answering. - ☑ Manage your time wisely to complete all sections. - ☑ Use complete sentences where required. - ...