QUIZ OF GHE LESSON ABOUT CHARACTERISTICS OF EARTH NECESSARY TO SUPPORT LIFE.pptx DISCUSSED THE 3 MAIN TYPES OF ROCKS.pptx PRESENTING ELEMENTS, COMPOUNDS, AND MIXTURE.pptx Introduction to Scientific Model grade 7.pptx Branches of Science: Biology, Physics, Chemistry, Earth Science.pptx Environmental Issues & Problems includes.pptx characteristics of sound wave: Frequency, amplitude, velocity, wavelength, time period.pptx SCIENCE 7 QUARTER 1 LET’S CHECK COMPREHENSION.pptx Characteristics of Earth that Support Life and Earth's Subsystem.pptx Characteristics of Earth Necessary to Support Life.pptx Final Topic: Nervous System Presentation.ppt