8th grade physics

Force and pressure

  • Force - A push or pull

  • Exploring forces

  • Force can change the state of Motion

  • Contact and Non-contact forces

  • Pressure exerted by liquids and gases

  • Atmospheric pressure

Sound

  • How is a sound produced?

  • Amplitude time period and frequency of a vibration

  • Audible and inaudible sounds

  • What are the harms of noise pollution?

Friction

  • Force of friction

  • Factors affecting friction

  • Increasing and reducing friction

  • Wheels reduce friction

  • Fluid friction

Light

  • Laws of reflection

  • Regular and diffused reflection

  • Multiple images Sunlight – white or colored What is inside our eyes?

stars and the solar system

  • The moon

  • The sun

  • Constellations

  • The solar system

  • Other members of solar system

Some natural phenomena

  • Lightning

  • Types of charges and their interaction

  • Transfer of charge

  • The story of lightning

  • Earthquakes