Light and Refraction

• Whats the word for an object that gives out light?

  Luminous
• Whats the name of the reflected line?

  Reflected ray

  
• How does refraction occur?

  When light passes from one medium to another, its speed changes, causing the light to bend or change direction.
• What are convex lenses?

  Lenses that focus the light, making you able to see