3rd Preparatory Science วิทยาศาสตร์ มัธยมศึกษาปีที่ 3

3rd Preparatory Science

TERM TWO Sound & Light 1.The Vibrational Motion and the Wave Motion The Vibrational Motion The Vibrational Motion (2) The Wave Motion The Wave Motion (2) The Wave Motion (3) 2. The Nature of the Sound Wave Sound Travel and Sound Production How Does Sound Travel? What is the Nature of a Sound Wave? Nature and Types of Sound Waves What is the Nature of a Sound Wave? Nature and Types of Sound Waves (2) 3. Reflection of Sound Sound Reflection  Application on Sound Reflection Noise Pollution Noise Pollution (2) 4. Nature of Light Waves The Role of Some Scientists in the Branch of Light Nature of Light Waves Light Reflection Light Reflection on a Plane Mirror Light Refraction Light Refraction in a Triangular Prism 5. Mirrors and Lenses Mirrors Concepts Related to the Spherical Mirrors The Path of Some Incident Rays on a Spherical Mirror Surface and their Reflections The Formatting of Images by Spherical Mirrors The Formatting of Images by Spherical Mirrors (2) Lenses The Concepts Related to the Lenses The Formation of Images by Lenses The Formation of Images by Lenses (2) Convex Lenses The Path of Some Incident Rays on One of the Lense Faces and Their Emergence From It Mixing Colours of Light 6. Some Optical Instruments The Telescope Reproduction in Living Organism 3. Hereditary and the Transfer of Characteristics Through Generations Hereditary and the Transfer of Characteristics Through Generations Mendel's First Law Mendel's First Law (2) Mendel's Second Law General Hygiene 1. Some Infectious Diseases of Man and their Prevention Inflammation of the Parotid Gland (Mumps or Parotitis) Inflammation of the Parotid Gland (Mumps or Parotitis) (2) Epidemic Liver Inflammation Hepatitis (A) Serum Virus Hepatitis (B) AIDS AIDS (2) 2. Immunity Natural Immunity Acquired Immunity Acquired Immunity (2) Antibiotics Antibiotics (2)