Keywords light, straight lines, camera obscura, reflection, refraction, mirrors, lenses, experiments, optics Email us at [email protected] if you have questions about the footage and are ...

It demonstrates how light travels in straight lines, how mirrors can reflect images, and how different surfaces affect light behavior. The film also explains how lenses work to focus images ...

All light travels in straight lines. But when light travels through different materials, such as water and air, the light slightly changes direction. We call this refraction. Above the water ...

Light travels in a straight line. When drawing a light ray: Use a ruler and a sharp pencil to draw a straight line. Add an arrow to show the direction the light is travelling. A ray diagram shows ...