- Light travels via
invisible, electromagnetic waves. Light travels in
straight lines. Shadows are produced when light cannot pass through
opaque objects. Light can pass through
transparent objects or substances.
- Light can also be reflected, refracted or
absorbed. Reflection of light refers to the
bouncing back of light from a surface. Refraction of light refers to the
bending of light. Absorption of light is when the energy of the wave is
transferred to the particles of the surface it hits.
- The beam of light coming into the surface is called the
incident ray. The beam of light being reflected off the surface is called the
reflected ray. The normal is at
90 degrees to the reflective surface. The angle the incident ray makes with the normal is called the angle of
incidence. The angle the reflected ray makes with the normal is called the angle of
reflection.
Parent Tip: Review the logic above to help your child master the concept of light waves worksheet.
