In this video, you will witness a TED Talk style lesson delivery about climate change, its causes and effects, suggested ways on how to take action on it as well as the importance of taking matters in hand to save our dying planet.

          In this lesson, we will be discussing about two eclipses – one that is an eclipse of the sun and one as the eclipse of the moon which are the solar and lunar eclipse, respectively. Moreover, we will discuss the positions of the Sun, the Moon, and the Earth during these eclipses, their relevance, and what are the famous eclipses that happened in history.

          In this lesson, you will learn about the doppler effect and its application on radar systems specifically in military, weather, aviation, speed limit enforcement, and marine navigation.

          Have you ever wondered how rain forms? In this experiment, you will learn how water evaporates from the surface of the Earth, rises into the atmosphere, cools and condenses to form clouds and lastly, precipitates back to Earth in the form of rain.

          In this lesson, diseases concerning the respiratory and circulatory systems are discussed.